190 lines
7.1 KiB
C++
190 lines
7.1 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2011 Arthur Arlt <a.arlt@stud.uni-heidelberg.de>
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Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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// own
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#include "outline.h"
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// KWin
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#include "effects.h"
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// KWin libs
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#include <kwinxrenderutils.h>
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// xcb
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#include <xcb/render.h>
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namespace KWin {
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Outline::Outline()
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: m_initialized(false)
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, m_active(false)
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{
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}
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Outline::~Outline()
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{
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}
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void Outline::show()
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{
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m_active = true;
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if (effects && static_cast<EffectsHandlerImpl*>(effects)->provides(Effect::Outline)) {
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static_cast<EffectsHandlerImpl*>(effects)->slotShowOutline(m_outlineGeometry);
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return; // done by effect
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}
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showWithX();
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}
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void Outline::hide()
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{
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if (!m_active) {
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return;
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}
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m_active = false;
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if (effects && static_cast<EffectsHandlerImpl*>(effects)->provides(Effect::Outline)) {
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static_cast<EffectsHandlerImpl*>(effects)->slotHideOutline();
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return; // done by effect
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}
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forEachWindow(&Xcb::Window::unmap);
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}
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void Outline::show(const QRect& outlineGeometry)
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{
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setGeometry(outlineGeometry);
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show();
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}
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void Outline::setGeometry(const QRect& outlineGeometry)
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{
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m_outlineGeometry = outlineGeometry;
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}
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QVector< xcb_window_t > Outline::windowIds() const
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{
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QVector<xcb_window_t> windows;
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if (m_initialized) {
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windows.reserve(4);
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windows << m_leftOutline << m_topOutline << m_rightOutline << m_bottomOutline;
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}
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return windows;
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}
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void Outline::showWithX()
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{
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if (!m_initialized) {
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const QRect geo(0, 0, 1, 1);
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const uint32_t values[] = {true};
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// TODO: use template variant
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m_leftOutline.create(geo, XCB_CW_OVERRIDE_REDIRECT, values);
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m_rightOutline.create(geo, XCB_CW_OVERRIDE_REDIRECT, values);
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m_topOutline.create(geo, XCB_CW_OVERRIDE_REDIRECT, values);
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m_bottomOutline.create(geo, XCB_CW_OVERRIDE_REDIRECT, values);
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m_initialized = true;
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}
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const int defaultDepth = Xcb::defaultDepth();
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// left/right parts are between top/bottom, they don't reach as far as the corners
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const uint16_t verticalWidth = 5;
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const uint16_t verticalHeight = m_outlineGeometry.height() - 10;
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const uint16_t horizontalWidth = m_outlineGeometry.width();
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const uint horizontalHeight = 5;
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m_leftOutline.setGeometry(m_outlineGeometry.x(), m_outlineGeometry.y() + 5, verticalWidth, verticalHeight);
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m_rightOutline.setGeometry(m_outlineGeometry.x() + m_outlineGeometry.width() - 5, m_outlineGeometry.y() + 5, verticalWidth, verticalHeight);
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m_topOutline.setGeometry(m_outlineGeometry.x(), m_outlineGeometry.y(), horizontalWidth, horizontalHeight);
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m_bottomOutline.setGeometry(m_outlineGeometry.x(), m_outlineGeometry.y() + m_outlineGeometry.height() - 5, horizontalWidth, horizontalHeight);
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const xcb_render_color_t white = {0xffff, 0xffff, 0xffff, 0xffff};
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QColor qGray(Qt::gray);
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const xcb_render_color_t gray = {
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uint16_t(0xffff * qGray.redF()),
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uint16_t(0xffff * qGray.greenF()),
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uint16_t(0xffff * qGray.blueF()),
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0xffff
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};
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const xcb_render_color_t black = {0, 0, 0, 0xffff};
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{
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xcb_pixmap_t xpix = xcb_generate_id(connection());
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xcb_create_pixmap(connection(), defaultDepth, xpix, rootWindow(), verticalWidth, verticalHeight);
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XRenderPicture pic(xpix, defaultDepth);
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xcb_rectangle_t rect = {0, 0, 5, verticalHeight};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, white, 1, &rect);
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rect.x = 1;
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rect.width = 3;
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, gray, 1, &rect);
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rect.x = 2;
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rect.width = 1;
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, black, 1, &rect);
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m_leftOutline.setBackgroundPixmap(xpix);
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m_rightOutline.setBackgroundPixmap(xpix);
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// According to the XSetWindowBackgroundPixmap documentation the pixmap can be freed.
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xcb_free_pixmap(connection(), xpix);
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}
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{
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xcb_pixmap_t xpix = xcb_generate_id(connection());
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xcb_create_pixmap(connection(), defaultDepth, xpix, rootWindow(), horizontalWidth, horizontalHeight);
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XRenderPicture pic(xpix, defaultDepth);
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xcb_rectangle_t rect = {0, 0, horizontalWidth, horizontalHeight};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, white, 1, &rect);
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xcb_rectangle_t grayRects[] = {
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{1, 1, uint16_t(horizontalWidth -2), 3},
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{1, 4, 3, 1},
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{int16_t(horizontalWidth - 4), 4, 3, 1}
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};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, gray, 3, grayRects);
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xcb_rectangle_t blackRects[] = {
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{2, 2, uint16_t(horizontalWidth -4), 1},
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{2, 3, 1, 2},
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{int16_t(horizontalWidth - 3), 3, 1, 2}
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};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, black, 3, blackRects);
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m_topOutline.setBackgroundPixmap(xpix);
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// According to the XSetWindowBackgroundPixmap documentation the pixmap can be freed.
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xcb_free_pixmap(connection(), xpix);
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}
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{
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xcb_pixmap_t xpix = xcb_generate_id(connection());
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xcb_create_pixmap(connection(), defaultDepth, xpix, rootWindow(), m_outlineGeometry.width(), 5);
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XRenderPicture pic(xpix, defaultDepth);
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xcb_rectangle_t rect = {0, 0, horizontalWidth, horizontalHeight};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, white, 1, &rect);
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xcb_rectangle_t grayRects[] = {
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{1, 1, uint16_t(horizontalWidth -2), 3},
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{1, 0, 3, 1},
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{int16_t(horizontalWidth - 4), 0, 3, 1}
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};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, gray, 3, grayRects);
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xcb_rectangle_t blackRects[] = {
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{2, 2, uint16_t(horizontalWidth -4), 1},
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{2, 0, 1, 2},
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{int16_t(horizontalWidth - 3), 0, 1, 2}
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};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, pic, black, 3, blackRects);
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m_bottomOutline.setBackgroundPixmap(xpix);
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// According to the XSetWindowBackgroundPixmap documentation the pixmap can be freed.
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xcb_free_pixmap(connection(), xpix);
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}
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forEachWindow(&Xcb::Window::clear);
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forEachWindow(&Xcb::Window::map);
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}
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} // namespace
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