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Diffstat (limited to 'kwin/clients/plastik/plastikclient.cpp')
| -rw-r--r-- | kwin/clients/plastik/plastikclient.cpp | 529 |
1 files changed, 529 insertions, 0 deletions
diff --git a/kwin/clients/plastik/plastikclient.cpp b/kwin/clients/plastik/plastikclient.cpp new file mode 100644 index 000000000..722761a5f --- /dev/null +++ b/kwin/clients/plastik/plastikclient.cpp @@ -0,0 +1,529 @@ +/* Plastik KWin window decoration + Copyright (C) 2003-2005 Sandro Giessl <sandro@giessl.com> + + based on the window decoration "Web": + Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org> + + This program 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 2 of the License, or (at your option) any later version. + + This program 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; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + */ + +#include <klocale.h> + +#include <qbitmap.h> +#include <qdatetime.h> +#include <qfontmetrics.h> +#include <qimage.h> +#include <qlabel.h> +#include <qlayout.h> +#include <qpainter.h> +#include <qpixmap.h> +#include <qdesktopwidget.h> + +#include "plastikclient.h" +#include "plastikbutton.h" +#include "misc.h" + +namespace KWinPlastik +{ + +PlastikClient::PlastikClient(KDecorationBridge* bridge, KDecorationFactory* factory) + : KCommonDecoration (bridge, factory), + s_titleFont(QFont() ) +{ + memset(m_captionPixmaps, 0, sizeof(QPixmap*)*2); +} + +PlastikClient::~PlastikClient() +{ + clearCaptionPixmaps(); +} + +QString PlastikClient::visibleName() const +{ + return i18n("Plastik"); +} + +QString PlastikClient::defaultButtonsLeft() const +{ + return "M"; +} + +QString PlastikClient::defaultButtonsRight() const +{ + return "HIAX"; +} + +bool PlastikClient::decorationBehaviour(DecorationBehaviour behaviour) const +{ + switch (behaviour) { + case DB_MenuClose: + return Handler()->menuClose(); + + case DB_WindowMask: + return true; + + default: + return KCommonDecoration::decorationBehaviour(behaviour); + } +} + +int PlastikClient::layoutMetric(LayoutMetric lm, bool respectWindowState, const KCommonDecorationButton *btn) const +{ + bool maximized = maximizeMode()==MaximizeFull && !options()->moveResizeMaximizedWindows(); + + switch (lm) { + case LM_BorderLeft: + case LM_BorderRight: + case LM_BorderBottom: + { + if (respectWindowState && maximized) { + return 0; + } else { + return Handler()->borderSize(); + } + } + + case LM_TitleEdgeTop: + { + if (respectWindowState && maximized) { + return 0; + } else { + return 4; + } + } + + case LM_TitleEdgeBottom: + { +// if (respectWindowState && maximized) { +// return 1; +// } else { + return 2; +// } + } + + case LM_TitleEdgeLeft: + case LM_TitleEdgeRight: + { + if (respectWindowState && maximized) { + return 0; + } else { + return 6; + } + } + + case LM_TitleBorderLeft: + case LM_TitleBorderRight: + return 5; + + case LM_ButtonWidth: + case LM_ButtonHeight: + case LM_TitleHeight: + { + if (respectWindowState && isToolWindow()) { + return Handler()->titleHeightTool(); + } else { + return Handler()->titleHeight(); + } + } + + case LM_ButtonSpacing: + return 1; + + case LM_ButtonMarginTop: + return 0; + + case LM_ExplicitButtonSpacer: + return 3; + + default: + return KCommonDecoration::layoutMetric(lm, respectWindowState, btn); + } +} + +KCommonDecorationButton *PlastikClient::createButton(ButtonType type) +{ + switch (type) { + case MenuButton: + return new PlastikButton(MenuButton, this, "menu"); + + case OnAllDesktopsButton: + return new PlastikButton(OnAllDesktopsButton, this, "on_all_desktops"); + + case HelpButton: + return new PlastikButton(HelpButton, this, "help"); + + case MinButton: + return new PlastikButton(MinButton, this, "minimize"); + + case MaxButton: + return new PlastikButton(MaxButton, this, "maximize"); + + case CloseButton: + return new PlastikButton(CloseButton, this, "close"); + + case AboveButton: + return new PlastikButton(AboveButton, this, "above"); + + case BelowButton: + return new PlastikButton(BelowButton, this, "below"); + + case ShadeButton: + return new PlastikButton(ShadeButton, this, "shade"); + + default: + return 0; + } +} + +void PlastikClient::init() +{ + s_titleFont = isToolWindow() ? Handler()->titleFontTool() : Handler()->titleFont(); + + clearCaptionPixmaps(); + + KCommonDecoration::init(); +} + +QRegion PlastikClient::cornerShape(WindowCorner corner) +{ + int w = widget()->width(); + int h = widget()->height(); + + switch (corner) { + case WC_TopLeft: + if (layoutMetric(LM_TitleEdgeLeft) > 0) + return QRegion(0, 0, 1, 2) + QRegion(1, 0, 1, 1); + else + return QRegion(); + + case WC_TopRight: + if (layoutMetric(LM_TitleEdgeRight) > 0) + return QRegion(w-1, 0, 1, 2) + QRegion(w-2, 0, 1, 1); + else + return QRegion(); + + case WC_BottomLeft: + if (layoutMetric(LM_BorderBottom) > 0) + return QRegion(0, h-1, 1, 1); + else + return QRegion(); + + case WC_BottomRight: + if (layoutMetric(LM_BorderBottom) > 0) + return QRegion(w-1, h-1, 1, 1); + else + return QRegion(); + + default: + return QRegion(); + } + +} + +void PlastikClient::paintEvent(QPaintEvent *e) +{ + QRegion region = e->region(); + + PlastikHandler *handler = Handler(); + + if (oldCaption != caption() ) + clearCaptionPixmaps(); + + bool active = isActive(); + bool toolWindow = isToolWindow(); + + QPainter painter(widget() ); + + // often needed coordinates + QRect r = widget()->rect(); + + int r_w = r.width(); +// int r_h = r.height(); + int r_x, r_y, r_x2, r_y2; + r.coords(&r_x, &r_y, &r_x2, &r_y2); + const int borderLeft = layoutMetric(LM_BorderLeft); + const int borderRight = layoutMetric(LM_BorderRight); + const int borderBottom = layoutMetric(LM_BorderBottom); + const int titleHeight = layoutMetric(LM_TitleHeight); + const int titleEdgeTop = layoutMetric(LM_TitleEdgeTop); + const int titleEdgeBottom = layoutMetric(LM_TitleEdgeBottom); + const int titleEdgeLeft = layoutMetric(LM_TitleEdgeLeft); + const int titleEdgeRight = layoutMetric(LM_TitleEdgeRight); + + const int borderBottomTop = r_y2-borderBottom+1; + const int borderLeftRight = r_x+borderLeft-1; + const int borderRightLeft = r_x2-borderRight+1; + const int titleEdgeBottomBottom = r_y+titleEdgeTop+titleHeight+titleEdgeBottom-1; + + const int sideHeight = borderBottomTop-titleEdgeBottomBottom-1; + + QRect Rtitle = QRect(r_x+titleEdgeLeft+buttonsLeftWidth(), r_y+titleEdgeTop, + r_x2-titleEdgeRight-buttonsRightWidth()-(r_x+titleEdgeLeft+buttonsLeftWidth()), + titleEdgeBottomBottom-(r_y+titleEdgeTop) ); + + QRect tempRect; + + // topSpacer + if(titleEdgeTop > 0) + { + tempRect.setRect(r_x+2, r_y, r_w-2*2, titleEdgeTop ); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(TitleBarTileTop, active, toolWindow) ); + } + } + + // leftTitleSpacer + int titleMarginLeft = 0; + int titleMarginRight = 0; + if(titleEdgeLeft > 0) + { + tempRect.setRect(r_x, r_y, borderLeft, titleEdgeTop+titleHeight+titleEdgeBottom); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(TitleBarLeft, active, toolWindow) ); + titleMarginLeft = borderLeft; + } + } + + // rightTitleSpacer + if(titleEdgeRight > 0) + { + tempRect.setRect(borderRightLeft, r_y, borderRight, titleEdgeTop+titleHeight+titleEdgeBottom); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(TitleBarRight, active, toolWindow) ); + titleMarginRight = borderRight; + } + } + + // titleSpacer + const QPixmap &caption = captionPixmap(); + if(Rtitle.width() > 0) + { + m_captionRect = captionRect(); // also update m_captionRect! + if (m_captionRect.isValid() && region.contains(m_captionRect) ) + { + painter.drawTiledPixmap(m_captionRect, caption); + } + + // left to the title + tempRect.setRect(r_x+titleMarginLeft, m_captionRect.top(), + m_captionRect.left() - (r_x+titleMarginLeft), m_captionRect.height() ); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(TitleBarTile, active, toolWindow) ); + } + + // right to the title + tempRect.setRect(m_captionRect.right()+1, m_captionRect.top(), + (r_x2-titleMarginRight) - m_captionRect.right(), m_captionRect.height() ); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(TitleBarTile, active, toolWindow) ); + } + + } + + // leftSpacer + if(borderLeft > 0 && sideHeight > 0) + { + tempRect.setCoords(r_x, titleEdgeBottomBottom+1, borderLeftRight, borderBottomTop-1); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(BorderLeftTile, active, toolWindow) ); + } + } + + // rightSpacer + if(borderRight > 0 && sideHeight > 0) + { + tempRect.setCoords(borderRightLeft, titleEdgeBottomBottom+1, r_x2, borderBottomTop-1); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(BorderRightTile, active, toolWindow) ); + } + } + + // bottomSpacer + if(borderBottom > 0) + { + int l = r_x; + int r = r_x2; + + tempRect.setRect(r_x, borderBottomTop, borderLeft, borderBottom); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(BorderBottomLeft, active, toolWindow) ); + l = tempRect.right()+1; + } + + tempRect.setRect(borderRightLeft, borderBottomTop, borderLeft, borderBottom); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(BorderBottomRight, active, toolWindow) ); + r = tempRect.left()-1; + } + + tempRect.setCoords(l, borderBottomTop, r, r_y2); + if (tempRect.isValid() && region.contains(tempRect) ) { + painter.drawTiledPixmap(tempRect, handler->pixmap(BorderBottomTile, active, toolWindow) ); + } + } +} + +QRect PlastikClient::captionRect() const +{ + const QPixmap &caption = captionPixmap(); + QRect r = widget()->rect(); + + const int titleHeight = layoutMetric(LM_TitleHeight); + const int titleEdgeBottom = layoutMetric(LM_TitleEdgeBottom); + const int titleEdgeTop = layoutMetric(LM_TitleEdgeTop); + const int titleEdgeLeft = layoutMetric(LM_TitleEdgeLeft); + const int marginLeft = layoutMetric(LM_TitleBorderLeft); + const int marginRight = layoutMetric(LM_TitleBorderRight); + + const int titleLeft = r.left() + titleEdgeLeft + buttonsLeftWidth() + marginLeft; + const int titleWidth = r.width() - + titleEdgeLeft - layoutMetric(LM_TitleEdgeRight) - + buttonsLeftWidth() - buttonsRightWidth() - + marginLeft - marginRight; + + Qt::AlignmentFlags a = Handler()->titleAlign(); + + int tX, tW; // position/width of the title buffer + if (caption.width() > titleWidth) { + tW = titleWidth; + } else { + tW = caption.width(); + } + if (a == Qt::AlignLeft || (caption.width() > titleWidth) ) { + // Align left + tX = titleLeft; + } else if (a == Qt::AlignHCenter) { + // Align center + tX = titleLeft+(titleWidth- caption.width() )/2; + } else { + // Align right + tX = titleLeft+titleWidth-caption.width(); + } + + return QRect(tX, r.top()+titleEdgeTop, tW, titleHeight+titleEdgeBottom); +} + +void PlastikClient::updateCaption() +{ + QRect oldCaptionRect = m_captionRect; + + if (oldCaption != caption() ) + clearCaptionPixmaps(); + + m_captionRect = PlastikClient::captionRect(); + + if (oldCaptionRect.isValid() && m_captionRect.isValid() ) + widget()->update(oldCaptionRect|m_captionRect); + else + widget()->update(); +} + +void PlastikClient::reset( unsigned long changed ) +{ + if (changed & SettingColors) + { + // repaint the whole thing + clearCaptionPixmaps(); + widget()->update(); + updateButtons(); + } else if (changed & SettingFont) { + // font has changed -- update title height and font + s_titleFont = isToolWindow() ? Handler()->titleFontTool() : Handler()->titleFont(); + + updateLayout(); + + // then repaint + clearCaptionPixmaps(); + widget()->update(); + } + + KCommonDecoration::reset(changed); +} + +const QPixmap &PlastikClient::getTitleBarTile(bool active) const +{ + return Handler()->pixmap(TitleBarTile, active, isToolWindow() ); +} + +const QPixmap &PlastikClient::captionPixmap() const +{ + bool active = isActive(); + + if (m_captionPixmaps[active]) { + return *m_captionPixmaps[active]; + } + + // not found, create new pixmap... + + const uint maxCaptionLength = 300; // truncate captions longer than this! + QString c(caption() ); + if (c.length() > maxCaptionLength) { + c.truncate(maxCaptionLength); + c.append(" [...]"); + } + + QFontMetrics fm(s_titleFont); + int captionWidth = fm.width(c); + int captionHeight = fm.height(); + + const int th = layoutMetric(LM_TitleHeight, false) + layoutMetric(LM_TitleEdgeBottom, false); + + QPainter painter; + + const int thickness = 2; + + QPixmap *captionPixmap = new QPixmap(captionWidth+2*thickness, th); + + painter.begin(captionPixmap); + painter.drawTiledPixmap(captionPixmap->rect(), + Handler()->pixmap(TitleBarTile, active, isToolWindow()) ); + + painter.setFont(s_titleFont); + QPoint tp(1, captionHeight-1); + if(Handler()->titleShadow()) + { + QColor shadowColor; + if (qGray(Handler()->getColor(TitleFont,active).rgb()) < 100) + shadowColor = QColor(255, 255, 255); + else + shadowColor = QColor(0,0,0); + + painter.setPen(alphaBlendColors(options()->color(ColorTitleBar, active), shadowColor, 205) ); + painter.drawText(tp+QPoint(1,2), c); + painter.setPen(alphaBlendColors(options()->color(ColorTitleBar, active), shadowColor, 225) ); + painter.drawText(tp+QPoint(2,2), c); + painter.setPen(alphaBlendColors(options()->color(ColorTitleBar, active), shadowColor, 165) ); + painter.drawText(tp+QPoint(1,1), c); + } + painter.setPen(Handler()->getColor(TitleFont,active) ); + painter.drawText(tp, c ); + painter.end(); + + m_captionPixmaps[active] = captionPixmap; + return *captionPixmap; +} + +void PlastikClient::clearCaptionPixmaps() +{ + for (int i = 0; i < 2; ++i) { + delete m_captionPixmaps[i]; + m_captionPixmaps[i] = 0; + } + + oldCaption = caption(); +} + +} // KWinPlastik |