111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
/*
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* \brief Chunky-pixel-based menubar
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* \author Norman Feske
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* \date 2006-08-22
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*/
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/*
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* Copyright (C) 2006-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _CHUNKY_MENUBAR_
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#define _CHUNKY_MENUBAR_
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#include <nitpicker_gfx/box_painter.h>
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#include <nitpicker_gfx/texture_painter.h>
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#include "menubar.h"
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template <typename PT>
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class Chunky_menubar : public Texture<PT>,
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public Session,
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public Menubar,
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public View
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{
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private:
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Canvas<PT> _canvas;
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public:
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Chunky_menubar(PT *pixels, Area size)
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:
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Texture<PT>(pixels, 0, size),
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Session(Genode::Session_label(""), 0, false),
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View(*this, View::STAY_TOP, View::NOT_TRANSPARENT,
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View::NOT_BACKGROUND, 0),
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_canvas(pixels, size)
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{
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View::geometry(Rect(Point(0, 0), size));
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Session::texture(this, false);
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}
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/***********************
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** Session interface **
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***********************/
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void submit_input_event(Input::Event) { }
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/********************
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** View interface **
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********************/
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int frame_size(Mode const &mode) const { return 0; }
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void frame(Canvas_base &canvas, Mode const &mode) { }
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void draw(Canvas_base &canvas, Mode const &mode)
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{
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Clip_guard clip_guard(canvas, *this);
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/* draw menubar content */
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canvas.draw_texture(abs_position(), *this, Texture_painter::SOLID, BLACK, false);
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}
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/***********************
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** Menubar interface **
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***********************/
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void state(Menubar_state const state)
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{
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*static_cast<Menubar_state *>(this) = state;
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/* choose base color dependent on the Nitpicker state */
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int r = (mode.kill()) ? 200 : (mode.xray()) ? session_color.r : (session_color.r + 100) >> 1;
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int g = (mode.kill()) ? 70 : (mode.xray()) ? session_color.g : (session_color.g + 100) >> 1;
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int b = (mode.kill()) ? 70 : (mode.xray()) ? session_color.b : (session_color.b + 100) >> 1;
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Rect const view_rect = abs_geometry();
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/* highlight first line with slightly brighter color */
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_canvas.draw_box(Rect(Point(0, 0), Area(view_rect.w(), 1)),
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Color(r + (r / 2), g + (g / 2), b + (b / 2)));
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/* draw slightly shaded background */
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for (unsigned i = 1; i < view_rect.h() - 1; i++) {
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r -= r > 3 ? 4 : 0;
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g -= g > 3 ? 4 : 0;
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b -= b > 4 ? 4 : 0;
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_canvas.draw_box(Rect(Point(0, i), Area(view_rect.w(), 1)), Color(r, g, b));
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}
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/* draw last line darker */
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_canvas.draw_box(Rect(Point(0, view_rect.h() - 1), Area(view_rect.w(), 1)),
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Color(r / 4, g / 4, b / 4));
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/* draw label */
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draw_label(_canvas, view_rect.center(label_size(session_label.string(),
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view_title.string())), session_label.string(),
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WHITE, view_title.string(), session_color);
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}
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using Menubar::state;
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};
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#endif
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