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tdebase/twin/clients/plastik/plastikclient.cpp

530 lines
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/* 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 <tqbitmap.h>
#include <tqdatetime.h>
#include <tqfontmetrics.h>
#include <tqimage.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqdesktopwidget.h>
#include "plastikclient.h"
#include "plastikbutton.h"
#include "misc.h"
namespace KWinPlastik
{
PlastikClient::PlastikClient(KDecorationBridge* bridge, KDecorationFactory* factory)
: KCommonDecoration (bridge, factory),
s_titleFont(TQFont() )
{
memset(m_captionPixmaps, 0, sizeof(TQPixmap*)*2);
}
PlastikClient::~PlastikClient()
{
clearCaptionPixmaps();
}
TQString PlastikClient::visibleName() const
{
return i18n("Plastik");
}
TQString PlastikClient::defaultButtonsLeft() const
{
return "M";
}
TQString 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();
}
TQRegion PlastikClient::cornerShape(WindowCorner corner)
{
int w = widget()->width();
int h = widget()->height();
switch (corner) {
case WC_TopLeft:
if (layoutMetric(LM_TitleEdgeLeft) > 0)
return TQRegion(0, 0, 1, 2) + TQRegion(1, 0, 1, 1);
else
return TQRegion();
case WC_TopRight:
if (layoutMetric(LM_TitleEdgeRight) > 0)
return TQRegion(w-1, 0, 1, 2) + TQRegion(w-2, 0, 1, 1);
else
return TQRegion();
case WC_BottomLeft:
if (layoutMetric(LM_BorderBottom) > 0)
return TQRegion(0, h-1, 1, 1);
else
return TQRegion();
case WC_BottomRight:
if (layoutMetric(LM_BorderBottom) > 0)
return TQRegion(w-1, h-1, 1, 1);
else
return TQRegion();
default:
return TQRegion();
}
}
void PlastikClient::paintEvent(TQPaintEvent *e)
{
TQRegion region = e->region();
PlastikHandler *handler = Handler();
if (oldCaption != caption() )
clearCaptionPixmaps();
bool active = isActive();
bool toolWindow = isToolWindow();
TQPainter painter(widget() );
// often needed coordinates
TQRect 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;
TQRect Rtitle = TQRect(r_x+titleEdgeLeft+buttonsLeftWidth(), r_y+titleEdgeTop,
r_x2-titleEdgeRight-buttonsRightWidth()-(r_x+titleEdgeLeft+buttonsLeftWidth()),
titleEdgeBottomBottom-(r_y+titleEdgeTop) );
TQRect 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 TQPixmap &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) );
}
}
}
TQRect PlastikClient::captionRect() const
{
const TQPixmap &caption = captionPixmap();
TQRect 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;
TQ_Alignment 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 TQRect(tX, r.top()+titleEdgeTop, tW, titleHeight+titleEdgeBottom);
}
void PlastikClient::updateCaption()
{
TQRect 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)
{
// tqrepaint 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 tqrepaint
clearCaptionPixmaps();
widget()->update();
}
KCommonDecoration::reset(changed);
}
const TQPixmap &PlastikClient::getTitleBarTile(bool active) const
{
return Handler()->pixmap(TitleBarTile, active, isToolWindow() );
}
const TQPixmap &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!
TQString c(caption() );
if (c.length() > maxCaptionLength) {
c.truncate(maxCaptionLength);
c.append(" [...]");
}
TQFontMetrics fm(s_titleFont);
int captionWidth = fm.width(c);
int captionHeight = fm.height();
const int th = layoutMetric(LM_TitleHeight, false) + layoutMetric(LM_TitleEdgeBottom, false);
TQPainter painter;
const int thickness = 2;
TQPixmap *captionPixmap = new TQPixmap(captionWidth+2*thickness, th);
painter.begin(captionPixmap);
painter.drawTiledPixmap(captionPixmap->rect(),
Handler()->pixmap(TitleBarTile, active, isToolWindow()) );
painter.setFont(s_titleFont);
TQPoint tp(1, captionHeight-1);
if(Handler()->titleShadow())
{
TQColor shadowColor;
if (tqGray(Handler()->getColor(TitleFont,active).rgb()) < 100)
shadowColor = TQColor(255, 255, 255);
else
shadowColor = TQColor(0,0,0);
painter.setPen(alphaBlendColors(options()->color(ColorTitleBar, active), shadowColor, 205) );
painter.drawText(tp+TQPoint(1,2), c);
painter.setPen(alphaBlendColors(options()->color(ColorTitleBar, active), shadowColor, 225) );
painter.drawText(tp+TQPoint(2,2), c);
painter.setPen(alphaBlendColors(options()->color(ColorTitleBar, active), shadowColor, 165) );
painter.drawText(tp+TQPoint(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