#!/usr/bin/env python # -*- coding: utf-8 -*- # Copyright © 2008-2009 Francesco Fumanti # Copyright © 2009 Chris Jones # Copyright © 2011 Gerd Kohlberger # Copyright © 2011-2016 marmuta # # This file is part of Onboard. # # Onboard is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # Onboard is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from __future__ import division, print_function, unicode_literals from Onboard.Version import require_gi_versions require_gi_versions() from gi.repository import GObject, Gdk, Gtk import cairo from Onboard.utils import Rect, roundrect_arc, Fade from Onboard.Timer import CallOnce, Timer from Onboard.WindowUtils import (WindowManipulator, WindowRectPersist, Orientation, set_unity_property, DwellProgress, gtk_has_resize_grip_support) from Onboard.TouchInput import InputSequence from Onboard.KeyGtk import RectKey from Onboard.Indicator import ContextMenu import logging _logger = logging.getLogger("IconPalette") from Onboard.Config import Config config = Config() class IconPalette(WindowRectPersist, WindowManipulator, Gtk.Window): """ Class that creates a movable and resizable floating window without decorations. The window shows the icon of onboard scaled to fit to the window and a resize grip that honors the desktop theme in use. Onboard offers an option to the user to make the window appear whenever the user hides the onscreen keyboard. The user can then click on the window to hide it and make the onscreen keyboard reappear. """ __gsignals__ = { str('activated') : (GObject.SignalFlags.RUN_LAST, GObject.TYPE_NONE, ()) } """ Minimum size of the IconPalette """ MINIMUM_SIZE = 20 OPACITY = 0.75 _layout_view = None def __init__(self, keyboard): self._visible = False self._force_to_top = False self._last_pos = None self._dwell_progress = DwellProgress() self._dwell_begin_timer = None self._dwell_timer = None self._no_more_dwelling = False self._menu = ContextMenu(keyboard) args = { "type_hint" : self._get_window_type_hint(), "skip_taskbar_hint" : True, "skip_pager_hint" : True, "urgency_hint" : False, "decorated" : False, "accept_focus" : False, "width_request" : self.MINIMUM_SIZE, "height_request" : self.MINIMUM_SIZE, "app_paintable" : True, } if gtk_has_resize_grip_support(): args["has_resize_grip"] = False Gtk.Window.__init__(self, **args) WindowRectPersist.__init__(self) WindowManipulator.__init__(self) self.set_keep_above(True) self.drawing_area = Gtk.DrawingArea() self.add(self.drawing_area) self.drawing_area.connect("draw", self._on_draw) self.drawing_area.show() # use transparency if available visual = Gdk.Screen.get_default().get_rgba_visual() if visual: self.set_visual(visual) self.drawing_area.set_visual(visual) # set up event handling self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK | Gdk.EventMask.POINTER_MOTION_MASK) # self.connect("draw", self._on_draw) self.connect("button-press-event", self._on_button_press_event) self.connect("motion-notify-event", self._on_motion_notify_event) self.connect("button-release-event", self._on_button_release_event) self.connect("configure-event", self._on_configure_event) self.connect("realize", self._on_realize_event) self.connect("unrealize", self._on_unrealize_event) self.connect("enter-notify-event", self._on_mouse_enter) self.connect("leave-notify-event", self._on_mouse_leave) # default coordinates of the iconpalette on the screen self.set_min_window_size(self.MINIMUM_SIZE, self.MINIMUM_SIZE) # no flashing on left screen edge in unity # self.set_default_size(1, 1) self.restore_window_rect() # Realize the window. Test changes to this in all supported # environments. It's all too easy to have the icp not show up reliably. self.update_window_options() self.hide() once = CallOnce(100).enqueue # call at most once per 100ms config.icp.position_notify_add( lambda x: once(self._on_config_rect_changed)) config.icp.size_notify_add( lambda x: once(self._on_config_rect_changed)) config.icp.window_handles_notify_add( lambda x: self.update_window_handles()) self.update_sticky_state() self.update_window_handles() def cleanup(self): WindowRectPersist.cleanup(self) def set_layout_view(self, view): self._layout_view = view self.queue_draw() def get_color_scheme(self): if self._layout_view: return self._layout_view.get_color_scheme() return None def get_menu(self): return self._menu def _on_configure_event(self, widget, event): self.update_window_rect() def on_drag_initiated(self): self.stop_save_position_timer() self._stop_dwelling() def on_drag_done(self): self.update_window_rect() self.start_save_position_timer() self._no_more_dwelling = True def _on_realize_event(self, user_data): """ Gdk window created """ set_unity_property(self) if config.is_force_to_top(): self.set_override_redirect(True) self.restore_window_rect(True) def _on_unrealize_event(self, user_data): """ Gdk window destroyed """ self.set_type_hint(self._get_window_type_hint()) def _get_window_type_hint(self): if config.is_force_to_top(): return Gdk.WindowTypeHint.NORMAL else: return Gdk.WindowTypeHint.UTILITY def update_window_options(self, startup=False): if not config.xid_mode: # not when embedding # (re-)create the gdk window? force_to_top = config.is_force_to_top() if self._force_to_top != force_to_top: self._force_to_top = force_to_top visible = self._visible # visible before? if self.get_realized(): # not starting up? self.hide() self.unrealize() self.realize() if visible: self.show() def update_sticky_state(self): if not config.xid_mode: if config.get_sticky_state(): self.stick() else: self.unstick() def update_window_handles(self): """ Tell WindowManipulator about the active resize/move handles """ self.set_drag_handles(config.icp.window_handles) def get_drag_threshold(self): """ Overload for WindowManipulator """ return config.get_drag_threshold() def _on_button_press_event(self, widget, event): if event.window == self.get_window(): if Gdk.Event.triggers_context_menu(event): self._menu.popup(event.button, event.get_time()) elif event.button == Gdk.BUTTON_PRIMARY: self.enable_drag_protection(True) sequence = InputSequence() sequence.init_from_button_event(event) self.handle_press(sequence, move_on_background=True) if self.is_moving(): self.reset_drag_protection() # force threshold return True def _on_motion_notify_event(self, widget, event): """ Move the window if the pointer has moved more than the DND threshold. """ sequence = InputSequence() sequence.init_from_motion_event(event) self.handle_motion(sequence, fallback=True) self.set_drag_cursor_at((event.x, event.y)) # start dwelling if nothing else is going on point = (event.x, event.y) hit = self.hit_test_move_resize(point) if hit is None: if not self.is_drag_initiated() and \ not self._is_dwelling() and \ not self._no_more_dwelling and \ not config.is_hover_click_active() and \ not config.lockdown.disable_dwell_activation: self._start_dwelling() else: self._stop_dwelling() # allow resizing in peace return True def _on_button_release_event(self, widget, event): """ Save the window geometry, hide the IconPalette and emit the "activated" signal. """ if event.window == self.get_window(): if event.button == 1 and \ event.window == self.get_window() and \ not self.is_drag_active(): self.emit("activated") self.stop_drag() self.set_drag_cursor_at((event.x, event.y)) return True def _on_mouse_enter(self, widget, event): pass def _on_mouse_leave(self, widget, event): self._stop_dwelling() self._no_more_dwelling = False def _on_draw(self, widget, cr): """ Draw the onboard icon. """ if not Gtk.cairo_should_draw_window(cr, widget.get_window()): return False rect = Rect(0.0, 0.0, float(self.get_allocated_width()), float(self.get_allocated_height())) color_scheme = self.get_color_scheme() # clear background cr.save() cr.set_operator(cairo.OPERATOR_CLEAR) cr.paint() cr.restore() composited = Gdk.Screen.get_default().is_composited() if composited: cr.push_group() # draw background color background_rgba = list(color_scheme.get_icon_rgba("background")) if Gdk.Screen.get_default().is_composited(): background_rgba[3] *= 0.75 cr.set_source_rgba(*background_rgba) corner_radius = min(rect.w, rect.h) * 0.1 roundrect_arc(cr, rect, corner_radius) cr.fill() # decoration frame line_rect = rect.deflate(2) cr.set_line_width(2) roundrect_arc(cr, line_rect, corner_radius) cr.stroke() else: cr.set_source_rgba(*background_rgba) cr.paint() # draw themed icon self._draw_themed_icon(cr, rect, color_scheme) # draw dwell progress rgba = [0.8, 0.0, 0.0, 0.5] bg_rgba = [0.1, 0.1, 0.1, 0.5] if color_scheme: # take dwell color from the first icon "key" key = RectKey("icon0") rgba = color_scheme.get_key_rgba(key, "dwell-progress") rgba[3] = min(0.75, rgba[3]) # more transparency key = RectKey("icon1") bg_rgba = color_scheme.get_key_rgba(key, "fill") bg_rgba[3] = min(0.75, rgba[3]) # more transparency dwell_rect = rect.grow(0.5) self._dwell_progress.draw(cr, dwell_rect, rgba, bg_rgba) if composited: cr.pop_group_to_source() cr.paint_with_alpha(self.OPACITY) return True def _draw_themed_icon(self, cr, icon_rect, color_scheme): """ draw themed icon """ keys = [RectKey("icon" + str(i)) for i in range(4)] # Default colors for the case when none of the icon keys # are defined in the color scheme. # background_rgba = [1.0, 1.0, 1.0, 1.0] fill_rgbas = [[0.9, 0.7, 0.0, 0.75], [1.0, 1.0, 1.0, 1.0], [1.0, 1.0, 1.0, 1.0], [0.0, 0.54, 1.0, 1.0]] stroke_rgba = [0.0, 0.0, 0.0, 1.0] label_rgba = [0.0, 0.0, 0.0, 1.0] themed = False if color_scheme: if any(color_scheme.is_key_in_scheme(key) for key in keys): themed = True # four rounded rectangles rects = Rect(0.0, 0.0, 100.0, 100.0).deflate(5) \ .subdivide(2, 2, 6) cr.save() cr.scale(icon_rect.w / 100., icon_rect.h / 100.0) cr.translate(icon_rect.x, icon_rect.y) cr.select_font_face("sans-serif") cr.set_line_width(2) for i, key in enumerate(keys): rect = rects[i] if themed: fill_rgba = color_scheme.get_key_rgba(key, "fill") stroke_rgba = color_scheme.get_key_rgba(key, "stroke") label_rgba = color_scheme.get_key_rgba(key, "label") else: fill_rgba = fill_rgbas[i] roundrect_arc(cr, rect, 5) cr.set_source_rgba(*fill_rgba) cr.fill_preserve() cr.set_source_rgba(*stroke_rgba) cr.stroke() if i == 0 or i == 3: if i == 0: letter = "O" else: letter = "B" cr.set_font_size(25) (x_bearing, y_bearing, _width, _height, x_advance, y_advance) = cr.text_extents(letter) r = rect.align_rect(Rect(0, 0, _width, _height), 0.3, 0.33) cr.move_to(r.x - x_bearing, r.y - y_bearing) cr.set_source_rgba(*label_rgba) cr.show_text(letter) cr.new_path() cr.restore() def show(self): """ Override Gtk.Widget.hide() to save the window geometry. """ Gtk.Window.show_all(self) self.move_resize(*self.get_rect()) # sync with WindowRectTracker self._visible = True def hide(self): """ Override Gtk.Widget.hide() to save the window geometry. """ Gtk.Window.hide(self) self._visible = False def _on_config_rect_changed(self): """ Gsettings position or size changed """ orientation = self.get_screen_orientation() rect = self.read_window_rect(orientation) if self.get_rect() != rect: self.restore_window_rect() def read_window_rect(self, orientation): """ Read orientation dependent rect. Overload for WindowRectPersist. """ if orientation == Orientation.LANDSCAPE: co = config.icp.landscape else: co = config.icp.portrait rect = Rect(co.x, co.y, max(co.width, 10), max(co.height, 10)) return rect def write_window_rect(self, orientation, rect): """ Write orientation dependent rect. Overload for WindowRectPersist. """ # There are separate rects for normal and rotated screen (tablets). if orientation == Orientation.LANDSCAPE: co = config.icp.landscape else: co = config.icp.portrait co.delay() co.x, co.y, co.width, co.height = rect co.apply() def _is_dwelling(self): return (bool(self._dwell_begin_timer) and (self._dwell_begin_timer.is_running() or self._dwell_progress.is_dwelling())) def _start_dwelling(self): self._stop_dwelling() self._dwell_begin_timer = Timer(1.5, self._on_dwell_begin_timer) self._no_more_dwelling = True def _stop_dwelling(self): if self._dwell_begin_timer: self._dwell_begin_timer.stop() if self._dwell_timer: self._dwell_timer.stop() self._dwell_progress.stop_dwelling() self.queue_draw() def _on_dwell_begin_timer(self): self._dwell_progress.start_dwelling() self._dwell_timer = Timer(0.025, self._on_dwell_timer) return False def _on_dwell_timer(self): self._dwell_progress.opacity, done = \ Fade.sin_fade(self._dwell_progress.dwell_start_time, 0.3, 0, 1.0) self.queue_draw() if self._dwell_progress.is_done(): if not self.is_drag_active(): self.emit("activated") self.stop_drag() return False return True def icp_activated(self): Gtk.main_quit() if __name__ == "__main__": icp = IconPalette() icp.show() icp.connect("activated", icp_activated) Gtk.main()