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Diffstat (limited to 'kuickshow/src/imagewindow.cpp')
| -rw-r--r-- | kuickshow/src/imagewindow.cpp | 1251 |
1 files changed, 1251 insertions, 0 deletions
diff --git a/kuickshow/src/imagewindow.cpp b/kuickshow/src/imagewindow.cpp new file mode 100644 index 00000000..c63a3c67 --- /dev/null +++ b/kuickshow/src/imagewindow.cpp @@ -0,0 +1,1251 @@ +/* This file is part of the KDE project + Copyright (C) 1998-2006 Carsten Pfeiffer <pfeiffer@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, version 2. + + 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 <stdlib.h> + +#include <qcheckbox.h> +#include <qcursor.h> +#include <qdrawutil.h> +#include <qfileinfo.h> +#include <qkeycode.h> +#include <qpainter.h> +#include <qpen.h> +#include <qpopupmenu.h> + +#ifdef KDE_USE_FINAL +#undef GrayScale +#undef Color +#endif +#include <qrect.h> +#include <qstring.h> +#include <qstringlist.h> +#include <qtimer.h> + +#include <kapplication.h> +#include <kconfig.h> +#include <kcursor.h> +#include <kdebug.h> +#include <kdeversion.h> +#ifdef KDE_USE_FINAL +#undef Unsorted +#endif +#include <kfiledialog.h> +#include <kiconloader.h> +#include <kimageeffect.h> +#include <klocale.h> +#include <kmessagebox.h> +#include <kprinter.h> +#include <kpropertiesdialog.h> +#include <kstdaccel.h> +#include <kstdguiitem.h> +#include <kstandarddirs.h> +#include <kglobalsettings.h> +#include <ktempfile.h> +#include <kwin.h> +#include <netwm.h> +#include <kurldrag.h> +#include <kio/netaccess.h> + +#include "filecache.h" +#include "imagewindow.h" +#include "kuick.h" +#include "kuickdata.h" +#include "kuickfile.h" +#include "kuickimage.h" +#include "printing.h" + + +#undef GrayScale + +QCursor *ImageWindow::s_handCursor = 0L; + +ImageWindow::ImageWindow( ImData *_idata, ImlibData *id, QWidget *parent, + const char *name ) + : ImlibWidget( _idata, id, parent, name ) +{ + init(); +} + +ImageWindow::ImageWindow( ImData *_idata, QWidget *parent, const char *name ) + : ImlibWidget( _idata, parent, name ) +{ + init(); +} + +ImageWindow::~ImageWindow() +{ +} + + +void ImageWindow::init() +{ + setFocusPolicy( QWidget::StrongFocus ); + + KCursor::setAutoHideCursor( this, true, true ); + KCursor::setHideCursorDelay( 1500 ); + + // give the image window a different WM_CLASS + XClassHint hint; + hint.res_name = const_cast<char*>( kapp->name() ); + hint.res_class = const_cast<char*>( "ImageWindow" ); + XSetClassHint( x11Display(), winId(), &hint ); + + viewerMenu = 0L; + gammaMenu = 0L; + brightnessMenu = 0L; + contrastMenu = 0L; + + + m_actions = new KActionCollection( this ); + + if ( !s_handCursor ) { + QString file = locate( "appdata", "pics/handcursor.png" ); + if ( !file.isEmpty() ) + s_handCursor = new QCursor( file ); + else + s_handCursor = new QCursor( arrowCursor ); + } + + setupActions(); + imageCache->setMaxImages( kdata->maxCachedImages ); + + transWidget = 0L; + myIsFullscreen = false; + + xpos = 0, ypos = 0; + m_numHeads = ScreenCount( x11Display() ); + + setAcceptDrops( true ); + setBackgroundColor( kdata->backgroundColor ); + + static QPixmap imageIcon = UserIcon( "imageviewer-medium" ); + static QPixmap miniImageIcon = UserIcon( "imageviewer-small" ); + KWin::setIcons( winId(), imageIcon, miniImageIcon ); +} + +void ImageWindow::updateActions() +{ + m_actions->readShortcutSettings(); +} + +void ImageWindow::setupActions() +{ + new KAction( i18n("Show Next Image"), KStdAccel::next(), + this, SLOT( slotRequestNext() ), + m_actions, "next_image" ); + new KAction( i18n("Show Previous Image"), KStdAccel::prior(), + this, SLOT( slotRequestPrevious() ), + m_actions, "previous_image" ); + + new KAction( i18n("Delete Image"), SHIFT + Key_Delete, + this, SLOT( imageDelete() ), + m_actions, "delete_image" ); + new KAction( i18n("Move Image to Trash"), Key_Delete, + this, SLOT( imageTrash() ), + m_actions, "trash_image" ); + + new KAction( i18n("Zoom In"), Key_Plus, + this, SLOT( zoomIn() ), + m_actions, "zoom_in" ); + new KAction( i18n("Zoom Out"), Key_Minus, + this, SLOT( zoomOut() ), + m_actions, "zoom_out" ); + new KAction( i18n("Restore Original Size"), Key_O, + this, SLOT( showImageOriginalSize() ), + m_actions, "original_size" ); + new KAction( i18n("Maximize"), Key_M, + this, SLOT( maximize() ), + m_actions, "maximize" ); + + new KAction( i18n("Rotate 90 Degrees"), Key_9, + this, SLOT( rotate90() ), + m_actions, "rotate90" ); + new KAction( i18n("Rotate 180 Degrees"), Key_8, + this, SLOT( rotate180() ), + m_actions, "rotate180" ); + new KAction( i18n("Rotate 270 Degrees"), Key_7, + this, SLOT( rotate270() ), + m_actions, "rotate270" ); + + new KAction( i18n("Flip Horizontally"), Key_Asterisk, + this, SLOT( flipHoriz() ), + m_actions, "flip_horicontally" ); + new KAction( i18n("Flip Vertically"), Key_Slash, + this, SLOT( flipVert() ), + m_actions, "flip_vertically" ); + + new KAction( i18n("Print Image..."), KStdAccel::print(), + this, SLOT( printImage() ), + m_actions, "print_image" ); + KStdAction::saveAs( this, SLOT( saveImage() ), + m_actions, "save_image_as" ); + + KStdAction::close( this, SLOT( close() ), + m_actions, "close_image" ); + // -------- + new KAction( i18n("More Brightness"), Key_B, + this, SLOT( moreBrightness() ), + m_actions, "more_brightness" ); + new KAction( i18n("Less Brightness"), SHIFT + Key_B, + this, SLOT( lessBrightness() ), + m_actions, "less_brightness" ); + new KAction( i18n("More Contrast"), Key_C, + this, SLOT( moreContrast() ), + m_actions, "more_contrast" ); + new KAction( i18n("Less Contrast"), SHIFT + Key_C, + this, SLOT( lessContrast() ), + m_actions, "less_contrast" ); + new KAction( i18n("More Gamma"), Key_G, + this, SLOT( moreGamma() ), + m_actions, "more_gamma" ); + new KAction( i18n("Less Gamma"), SHIFT + Key_G, + this, SLOT( lessGamma() ), + m_actions, "less_gamma" ); + + // -------- + new KAction( i18n("Scroll Up"), Key_Up, + this, SLOT( scrollUp() ), + m_actions, "scroll_up" ); + new KAction( i18n("Scroll Down"), Key_Down, + this, SLOT( scrollDown() ), + m_actions, "scroll_down" ); + new KAction( i18n("Scroll Left"), Key_Left, + this, SLOT( scrollLeft() ), + m_actions, "scroll_left" ); + new KAction( i18n("Scroll Right"), Key_Right, + this, SLOT( scrollRight() ), + m_actions, "scroll_right" ); + // -------- + new KAction( i18n("Pause Slideshow"), Key_P, + this, SLOT( pauseSlideShow() ), + m_actions, "kuick_slideshow_pause" ); + + KAction *fullscreenAction = KStdAction::fullScreen(this, SLOT( toggleFullscreen() ), m_actions, 0 ); + + KAction *reloadAction = new KAction( i18n("Reload Image"), KStdAccel::shortcut(KStdAccel::Reload), + this, SLOT( reload() ), + m_actions, "reload_image" ); + + new KAction( i18n("Properties"), ALT + Key_Return, + this, SLOT( slotProperties() ), + m_actions, "properties" ); + + m_actions->readShortcutSettings(); + + // Unfortunately there is no KAction::setShortcutDefault() :-/ + // so add Key_Return as fullscreen shortcut _after_ readShortcutSettings() + addAlternativeShortcut(fullscreenAction, Key_Return); + addAlternativeShortcut(reloadAction, Key_Enter); +} + +void ImageWindow::addAlternativeShortcut(KAction *action, int key) +{ + KShortcut cut( action->shortcut() ); + if (cut == action->shortcutDefault()) { + cut.append(KKey(key)); + action->setShortcut(cut); + } +} + +void ImageWindow::showWindow() +{ + if ( myIsFullscreen ) + showFullScreen(); + else + showNormal(); +} + +void ImageWindow::setFullscreen( bool enable ) +{ + xpos = 0; ypos = 0; + +// if ( enable && !myIsFullscreen ) { // set Fullscreen +// showFullScreen(); +// } +// else if ( !enable && myIsFullscreen ) { // go into window mode +// showNormal(); +// } + + myIsFullscreen = enable; +// centerImage(); // ### really necessary (multihead!) +} + + +void ImageWindow::updateGeometry( int imWidth, int imHeight ) +{ +// qDebug("::updateGeometry: %i, %i", imWidth, imHeight); + // XMoveWindow( x11Display(), win, 0, 0 ); + XResizeWindow( x11Display(), win, imWidth, imHeight ); + + if ( imWidth != width() || imHeight != height() ) { + if ( myIsFullscreen ) { + centerImage(); + } + else { // window mode + // XMoveWindow( x11Display(), win, 0, 0 ); + resizeOptimal( imWidth, imHeight ); // also centers the image + } + } + else { // image size == widget size + xpos = 0; ypos = 0; + XMoveWindow( x11Display(), win, 0, 0 ); + } + + updateCursor(); + + QString caption = i18n( "Filename (Imagewidth x Imageheight)", + "%3 (%1 x %2)" ); + caption = caption.arg( m_kuim->originalWidth() ). + arg( m_kuim->originalHeight() ).arg( m_kuim->url().prettyURL() ); + setCaption( kapp->makeStdCaption( caption ) ); +} + + +void ImageWindow::centerImage() +{ + int w, h; + if ( myIsFullscreen ) + { + QRect desktopRect = KGlobalSettings::desktopGeometry( this ); + w = desktopRect.width(); + h = desktopRect.height(); + } + else + { + w = width(); + h = height(); + } + + xpos = w/2 - imageWidth()/2; + ypos = h/2 - imageHeight()/2; + + XMoveWindow( x11Display(), win, xpos, ypos ); + + // Modified by Evan for his Multi-Head (2 screens) + // This should center on the first head +// if ( myIsFullscreen && m_numHeads > 1 && ((m_numHeads % 2) == 0) ) +// xpos = ((width()/m_numHeads) / 2) - imageWidth()/2; +// else +// xpos = width()/2 - imageWidth()/2; + +// ypos = height()/2 - imageHeight()/2; +// XMoveWindow( x11Display(), win, xpos, ypos ); +} + + +void ImageWindow::scrollImage( int x, int y, bool restrict ) +{ + xpos += x; + ypos += y; + + int cwlocal = width(); + int chlocal = height(); + + int iw = imageWidth(); + int ih = imageHeight(); + + if ( myIsFullscreen || width() > desktopWidth() ) + cwlocal = desktopWidth(); + + if ( myIsFullscreen || height() > desktopHeight() ) + chlocal = desktopHeight(); + + if ( restrict ) { // don't allow scrolling in certain cases + if ( x != 0 ) { // restrict x-movement + if ( iw <= cwlocal ) + xpos -= x; // restore previous position + else if ( (xpos <= 0) && (xpos + iw <= cwlocal) ) + xpos = cwlocal - iw; + else if ( (xpos + iw >= cwlocal) && xpos >= 0 ) + xpos = 0; + } + + if ( y != 0 ) { // restrict y-movement + if ( ih <= chlocal ) + ypos -= y; + else if ( (ypos <= 0) && (ypos + ih <= chlocal) ) + ypos = chlocal - ih; + else if ( (ypos + ih >= chlocal) && ypos >= 0 ) + ypos = 0; + } + } + + XMoveWindow( x11Display(), win, xpos, ypos ); + XClearArea( x11Display(), win, xpos, ypos, iw, ih, false ); + showImage(); +} + + +// image loading performs: +// --------------------- +// loadImageInternal(); +// reset image mods +// load image from disk / get from cache +// loaded(); // apply modifications, scale +// render pixmap +// +// updateWidget(); +// XUnmapWindow(); +// XSetWindowBackgroundPixmap() +// resize window to fit image size, center image +// XClearWindow(); // repaint +// XMapWindow(), XSync(); +// +bool ImageWindow::showNextImage( const KURL& url ) +{ + KuickFile *file = FileCache::self()->getFile( url ); + switch ( file->waitForDownload( this ) ) { + case KuickFile::ERROR: + { + QString tmp = i18n("Unable to download the image from %1.").arg(url.prettyURL()); + emit sigImageError( file, tmp ); + return false; + } + case KuickFile::CANCELED: + return false; // just abort, no error message + default: + break; // go on... + } + + return showNextImage( file ); +} + +bool ImageWindow::showNextImage( KuickFile *file ) +{ + if ( !loadImage( file ) ) { + QString tmp = i18n("Unable to load the image %1.\n" + "Perhaps the file format is unsupported or " + "your Imlib is not installed properly.").arg(file->url().prettyURL()); + emit sigImageError( file, tmp ); + return false; + } + + else { + // updateWidget( true ); // already called from loadImage() + if ( !isVisible() ) + showWindow(); + + showImage(); + return true; + } +} + +void ImageWindow::reload() +{ + showNextImage( currentFile() ); +} + +void ImageWindow::pauseSlideShow() +{ + emit pauseSlideShowSignal(); +} + +void ImageWindow::addBrightness( int factor ) +{ + if ( factor == 0 ) + return; + + int oldValue = mod.brightness - ImlibOffset; + setBrightness( oldValue + (idata->brightnessFactor * (int) factor) ); +} + +void ImageWindow::addContrast( int factor ) +{ + if ( factor == 0 ) + return; + + int oldValue = mod.contrast - ImlibOffset; + setContrast( oldValue + (idata->contrastFactor * (int) factor) ); +} + +void ImageWindow::addGamma( int factor ) +{ + if ( factor == 0 ) + return; + + int oldValue = mod.gamma - ImlibOffset; + setGamma( oldValue + (idata->gammaFactor * (int) factor) ); +} + + +//////////// +//// +// slots for keyboard/popupmenu actions + + +void ImageWindow::scrollUp() +{ + scrollImage( 0, 20 * kdata->scrollSteps ); +} + +void ImageWindow::scrollDown() +{ + scrollImage( 0, - 20 * kdata->scrollSteps ); +} + +void ImageWindow::scrollLeft() +{ + scrollImage( 20 * kdata->scrollSteps, 0 ); +} + +void ImageWindow::scrollRight() +{ + scrollImage( - 20 * kdata->scrollSteps, 0 ); +} + +/// + +void ImageWindow::zoomIn() +{ + zoomImage( kdata->zoomSteps ); +} + +void ImageWindow::zoomOut() +{ + Q_ASSERT( kdata->zoomSteps != 0 ); + zoomImage( 1.0 / kdata->zoomSteps ); +} + +/// + +void ImageWindow::moreBrightness() +{ + addBrightness( kdata->brightnessSteps ); +} + +void ImageWindow::moreContrast() +{ + addContrast( kdata->contrastSteps ); +} + +void ImageWindow::moreGamma() +{ + addGamma( kdata->gammaSteps ); +} + + +void ImageWindow::lessBrightness() +{ + addBrightness( - kdata->brightnessSteps ); +} + +void ImageWindow::lessContrast() +{ + addContrast( - kdata->contrastSteps ); +} + +void ImageWindow::lessGamma() +{ + addGamma( - kdata->gammaSteps ); +} + +void ImageWindow::imageDelete() +{ + emit deleteImage(this); +} + +void ImageWindow::imageTrash() +{ + emit trashImage(this); +} + +/// + + + + +///////////// +//// +// event handlers + +void ImageWindow::wheelEvent( QWheelEvent *e ) +{ + e->accept(); + static const int WHEEL_DELTA = 120; + int delta = e->delta(); + + if ( delta == 0 ) + return; + + int steps = delta / WHEEL_DELTA; + emit requestImage( this, -steps ); +} + +void ImageWindow::keyPressEvent( QKeyEvent *e ) +{ + uint key = e->key(); + + if ( key == Key_Shift ) + updateCursor( ZoomCursor ); + + if ( key == Key_Escape || KStdAccel::close().contains( KKey( e ) ) ) + close( true ); + else if ( KStdAccel::save().contains( KKey( e ) ) ) + saveImage(); + + else { + e->ignore(); + return; + } + + e->accept(); +} + +void ImageWindow::keyReleaseEvent( QKeyEvent *e ) +{ + if ( e->state() & ShiftButton ) { // Shift-key released + updateCursor(); + if ( transWidget ) { + delete transWidget; + transWidget = 0L; + } + } + + e->accept(); +} + +void ImageWindow::mousePressEvent( QMouseEvent *e ) +{ + xmove = e->x(); // for moving the image with the mouse + ymove = e->y(); + + xzoom = xmove; // for zooming with the mouse + yzoom = ymove; + + xposPress = xmove; + yposPress = ymove; + + if ( e->button() == LeftButton ) { + if ( e->state() & ShiftButton ) + updateCursor( ZoomCursor ); + else + updateCursor( MoveCursor ); + } + + ImlibWidget::mousePressEvent( e ); +} + +void ImageWindow::contextMenuEvent( QContextMenuEvent *e ) +{ + e->accept(); + + if ( !viewerMenu ) + setPopupMenu(); + + viewerMenu->popup( e->globalPos() ); +} + +void ImageWindow::updateCursor( KuickCursor cursor ) +{ + switch ( cursor ) + { + case ZoomCursor: + setCursor( arrowCursor ); // need a magnify-cursor + break; + case MoveCursor: + setCursor( *s_handCursor ); + break; + case DefaultCursor: + default: + if ( isCursorHidden() ) + return; + + if ( imageWidth() > width() || imageHeight() > height() ) + setCursor( *s_handCursor ); + else + setCursor( arrowCursor ); + break; + } +} + +void ImageWindow::mouseMoveEvent( QMouseEvent *e ) +{ + if ( !(e->state() & LeftButton) ) { // only handle LeftButton actions + return; + } + + if ( e->state() & ShiftButton ) { + + if ( !transWidget ) { + transWidget = new QWidget( this ); + transWidget->setGeometry( 0, 0, width(), height() ); + transWidget->setBackgroundMode( NoBackground ); + } + + transWidget->hide(); + QPainter p( transWidget ); + // really required? + p.eraseRect( transWidget->rect() ); + transWidget->show(); + qApp->processOneEvent(); + + int width = e->x() - xposPress; + int height = e->y() - yposPress; + + if ( width < 0 ) { + width = abs( width ); + xzoom = e->x(); + } + + if ( height < 0 ) { + height = abs( height ); + yzoom = e->y(); + } + + QPen pen( Qt::white, 1, DashLine ); + p.setPen( pen ); // for drawing white dashed line + p.drawRect( xzoom, yzoom, width, height ); + p.setPen( DotLine ); // defaults to black dotted line pen + p.drawRect( xzoom, yzoom, width, height ); + p.flush(); + } + + else { // move the image + // scrolling with mouse + uint xtmp = e->x(); + uint ytmp = e->y(); + scrollImage( xtmp - xmove, ytmp - ymove ); + xmove = xtmp; + ymove = ytmp; + } +} + +void ImageWindow::mouseReleaseEvent( QMouseEvent *e ) +{ + updateCursor(); + + if ( transWidget ) { + // destroy the transparent widget, used for showing the rectangle (zoom) + delete transWidget; + transWidget = 0L; + } + + // only proceed if shift-Key is still pressed + if ( !(e->button() == LeftButton && e->state() & ShiftButton) ) + return; + + int neww, newh, topX, topY, botX, botY; + float factor, factorx, factory; + + // zoom into the selected area + uint x = e->x(); + uint y = e->y(); + + if ( xposPress == x || yposPress == y ) + return; + + if ( xposPress > x ) { + topX = x; + botX = xposPress; + } + else { + topX = xposPress; + botX = x; + } + + if ( yposPress > y ) { + topY = y; + botY = yposPress; + } + else { + topY = yposPress; + botY = y; + } + + neww = botX - topX; + newh = botY - topY; + + factorx = ((float) width() / (float) neww); + factory = ((float) height() / (float) newh); + + if ( factorx < factory ) // use the smaller factor + factor = factorx; + else factor = factory; + + uint w = 0; // shut up compiler! + uint h = 0; + w = (uint) ( factor * (float) imageWidth() ); + h = (uint) ( factor * (float) imageHeight() ); + + if ( !canZoomTo( w, h ) ) + return; + + int xtmp = - (int) (factor * abs(xpos - topX) ); + int ytmp = - (int) (factor * abs(ypos - topY) ); + + // if image has different ratio (width()/height()), center it + int xcenter = (width() - (int) (neww * factor)) / 2; + int ycenter = (height() - (int) (newh * factor)) / 2; + + xtmp += xcenter; + ytmp += ycenter; + + m_kuim->resize( w, h, idata->smoothScale ? KuickImage::SMOOTH : KuickImage::FAST ); + XResizeWindow( x11Display(), win, w, h ); + updateWidget( false ); + + xpos = xtmp; ypos = ytmp; + + XMoveWindow( x11Display(), win, xpos, ypos ); + scrollImage( 1, 1, true ); // unrestricted scrolling +} + + +void ImageWindow::focusInEvent( QFocusEvent *ev ) +{ + ImlibWidget::focusInEvent( ev ); + emit sigFocusWindow( this ); +} + + +void ImageWindow::resizeEvent( QResizeEvent *e ) +{ + ImlibWidget::resizeEvent( e ); + + centerImage(); + updateCursor(); +} + + +void ImageWindow::dragEnterEvent( QDragEnterEvent *e ) +{ + // if ( e->provides( "image/*" ) ) // can't do this right now with Imlib + if ( e->provides( "text/uri-list" ) ) + e->accept(); + else + e->ignore(); +} + + +void ImageWindow::dropEvent( QDropEvent *e ) +{ + // FIXME - only preliminary drop-support for now + KURL::List list; + if ( KURLDrag::decode( e, list ) && !list.isEmpty()) { + QString tmpFile; + const KURL &url = list.first(); + if (KIO::NetAccess::download( url, tmpFile, this ) ) + { + loadImage( tmpFile ); + KIO::NetAccess::removeTempFile( tmpFile ); + } + updateWidget(); + e->accept(); + } + else + e->ignore(); +} + + +//////////////////// +///////// +// misc stuff + +void ImageWindow::setPopupMenu() +{ + viewerMenu = new QPopupMenu( this ); + + m_actions->action("next_image")->plug( viewerMenu ); + m_actions->action("previous_image")->plug( viewerMenu ); + viewerMenu->insertSeparator(); + + brightnessMenu = new QPopupMenu( viewerMenu ); + m_actions->action("more_brightness")->plug(brightnessMenu); + m_actions->action("less_brightness")->plug(brightnessMenu); + + contrastMenu = new QPopupMenu( viewerMenu ); + m_actions->action("more_contrast")->plug(contrastMenu); + m_actions->action("less_contrast")->plug(contrastMenu); + + gammaMenu = new QPopupMenu( viewerMenu ); + m_actions->action("more_gamma")->plug(gammaMenu); + m_actions->action("less_gamma")->plug(gammaMenu); + + m_actions->action("zoom_in")->plug( viewerMenu ); + m_actions->action("zoom_out")->plug( viewerMenu ); + m_actions->action("original_size")->plug( viewerMenu ); + m_actions->action("maximize")->plug( viewerMenu ); + + viewerMenu->insertSeparator(); + m_actions->action("rotate90")->plug( viewerMenu ); + m_actions->action("rotate180")->plug( viewerMenu ); + m_actions->action("rotate270")->plug( viewerMenu ); + + viewerMenu->insertSeparator(); + m_actions->action("flip_vertically")->plug( viewerMenu ); + m_actions->action("flip_horicontally")->plug( viewerMenu ); + viewerMenu->insertSeparator(); + viewerMenu->insertItem( i18n("Brightness"), brightnessMenu ); + viewerMenu->insertItem( i18n("Contrast"), contrastMenu ); + viewerMenu->insertItem( i18n("Gamma"), gammaMenu ); + viewerMenu->insertSeparator(); + + m_actions->action("delete_image")->plug( viewerMenu ); + m_actions->action("print_image")->plug( viewerMenu ); + m_actions->action("save_image_as")->plug( viewerMenu ); + m_actions->action("properties")->plug( viewerMenu ); + + viewerMenu->insertSeparator(); + m_actions->action("close_image")->plug( viewerMenu ); +} + +void ImageWindow::printImage() +{ + if ( !m_kuim ) + return; + + if ( !Printing::printImage( *this, this ) ) + { + KMessageBox::sorry( this, i18n("Unable to print the image."), + i18n("Printing Failed") ); + } +} + +void ImageWindow::saveImage() +{ + if ( !m_kuim ) + return; + + KuickData tmp; + QCheckBox *keepSize = new QCheckBox( i18n("Keep original image size"), 0L); + keepSize->setChecked( true ); + KFileDialog dlg( m_saveDirectory, tmp.fileFilter, this, "filedialog", true +#if KDE_VERSION >= 310 + ,keepSize +#endif + ); + + QString selection = m_saveDirectory.isEmpty() ? + m_kuim->url().url() : + m_kuim->url().fileName(); + dlg.setOperationMode( KFileDialog::Saving ); + dlg.setMode( KFile::File ); + dlg.setSelection( selection ); + dlg.setCaption( i18n("Save As") ); + if ( dlg.exec() == QDialog::Accepted ) + { + KURL url = dlg.selectedURL(); + if ( url.isValid() ) + { + if ( !saveImage( url, keepSize->isChecked() ) ) + { + QString tmp = i18n("Couldn't save the file.\n" + "Perhaps the disk is full, or you don't " + "have write permission to the file."); + KMessageBox::sorry( this, tmp, i18n("File Saving Failed")); + } + else + { + if ( url.equals( m_kuim->url() )) { + Imlib_apply_modifiers_to_rgb( id, m_kuim->imlibImage() ); + } + } + } + } + + QString lastDir = dlg.baseURL().path(+1); + if ( lastDir != m_saveDirectory ) + m_saveDirectory = lastDir; + +#if KDE_VERSION < 310 + delete keepSize; +#endif +} + +bool ImageWindow::saveImage( const KURL& dest, bool keepOriginalSize ) +{ + int w = keepOriginalSize ? m_kuim->originalWidth() : m_kuim->width(); + int h = keepOriginalSize ? m_kuim->originalHeight() : m_kuim->height(); + if ( m_kuim->absRotation() == ROT_90 || m_kuim->absRotation() == ROT_270 ) + qSwap( w, h ); + + ImlibImage *saveIm = Imlib_clone_scaled_image( id, m_kuim->imlibImage(), + w, h ); + bool success = false; + + QString saveFile; + if ( dest.isLocalFile() ) + saveFile = dest.path(); + else + { + QString extension = QFileInfo( dest.fileName() ).extension(); + if ( !extension.isEmpty() ) + extension.prepend( '.' ); + + KTempFile tmpFile( QString::null, extension ); + if ( tmpFile.status() != 0 ) + return false; + tmpFile.close(); + if ( tmpFile.status() != 0 ) + return false; + saveFile = tmpFile.name(); + } + + if ( saveIm ) + { + Imlib_apply_modifiers_to_rgb( id, saveIm ); + success = Imlib_save_image( id, saveIm, + QFile::encodeName( saveFile ).data(), + NULL ); + if ( success && !dest.isLocalFile() ) + { + if ( isFullscreen() ) + toggleFullscreen(); // otherwise upload window would block us invisibly + success = KIO::NetAccess::upload( saveFile, dest, const_cast<ImageWindow*>( this ) ); + } + + Imlib_kill_image( id, saveIm ); + } + + return success; +} + +void ImageWindow::toggleFullscreen() +{ + setFullscreen( !myIsFullscreen ); + showWindow(); +} + +void ImageWindow::loaded( KuickImage *kuim ) +{ + if ( !kdata->isModsEnabled ) { + // ### BUG: should be "restorePreviousSize" + kuim->restoreOriginalSize(); + } + else + { + autoRotate( kuim ); + autoScale( kuim ); + } +} + +// upscale/downscale depending on configuration +void ImageWindow::autoScale( KuickImage *kuim ) +{ + int newW = kuim->originalWidth(); + int newH = kuim->originalHeight(); + + QSize s = maxImageSize(); + int mw = s.width(); + int mh = s.height(); + + if ( kuim->absRotation() == ROT_90 || kuim->absRotation() == ROT_270 ) + qSwap( newW, newH ); + + bool doIt = false; + + if ( kdata->upScale ) + { + if ( (newW < mw) && (newH < mh) ) + { + doIt = true; + + float ratio1, ratio2; + int maxUpScale = kdata->maxUpScale; + + ratio1 = (float) mw / (float) newW; + ratio2 = (float) mh / (float) newH; + ratio1 = (ratio1 < ratio2) ? ratio1 : ratio2; + if ( maxUpScale > 0 ) + ratio1 = (ratio1 < maxUpScale) ? ratio1 : maxUpScale; + newH = (int) ((float) newH * ratio1); + newW = (int) ((float) newW * ratio1); + } + } + + if ( kdata->downScale ) + { + // eventually set width and height to the best/max possible screen size + if ( (newW > mw) || (newH > mh) ) + { + doIt = true; + + if ( newW > mw ) + { + float ratio = (float) newW / (float) newH; + newW = mw; + newH = (int) ((float) newW / ratio); + } + + // the previously calculated "h" might be larger than screen + if ( newH > mh ) { + float ratio = (float) newW / (float) newH; + newH = mh; + newW = (int) ((float) newH * ratio); + } + } + } + + if ( doIt ) + kuim->resize( newW, newH, idata->smoothScale ? KuickImage::SMOOTH : KuickImage::FAST ); +} + +// only called when kdata->isModsEnabled is true +bool ImageWindow::autoRotate( KuickImage *kuim ) +{ + if ( kdata->autoRotation && ImlibWidget::autoRotate( kuim ) ) + return true; + + else // rotation by metadata not available or not configured + { + // only apply default mods to newly loaded images + + // ### actually we should have a dirty flag ("neverManuallyFlipped") + if ( kuim->flipMode() == FlipNone ) + { + int flipMode = 0; + if ( kdata->flipVertically ) + flipMode |= FlipVertical; + if ( kdata->flipHorizontally ) + flipMode |= FlipHorizontal; + + kuim->flipAbs( flipMode ); + } + + if ( kuim->absRotation() == ROT_0 ) + kuim->rotateAbs( kdata->rotation ); + } + + return true; +} + +int ImageWindow::desktopWidth( bool totalScreen ) const +{ + if ( myIsFullscreen || totalScreen ) + { + return KGlobalSettings::desktopGeometry(topLevelWidget()).width(); + } else + return Kuick::workArea().width(); +} + + +int ImageWindow::desktopHeight( bool totalScreen ) const +{ + if ( myIsFullscreen || totalScreen ) { + return KGlobalSettings::desktopGeometry(topLevelWidget()).height(); + } else { + return Kuick::workArea().height(); + } +} + +QSize ImageWindow::maxImageSize() const +{ + if ( myIsFullscreen ) { + return KGlobalSettings::desktopGeometry(topLevelWidget()).size(); + } + else { + return Kuick::workArea().size() - Kuick::frameSize( winId() ); + } +} + +void ImageWindow::resizeOptimal( int w, int h ) +{ + QSize s = maxImageSize(); + int mw = s.width(); + int mh = s.height(); + int neww = (w >= mw) ? mw : w; + int newh = (h >= mh) ? mh : h; + + if ( neww == width() && newh == height() ) + centerImage(); + else + resize( neww, newh ); // also centers the image +} + +void ImageWindow::maximize() +{ + if ( !m_kuim ) + return; + + bool oldUpscale = kdata->upScale; + bool oldDownscale = kdata->downScale; + + kdata->upScale = true; + kdata->downScale = true; + + autoScale( m_kuim ); + updateWidget( true ); + + if ( !myIsFullscreen ) + resizeOptimal( imageWidth(), imageHeight() ); + + kdata->upScale = oldUpscale; + kdata->downScale = oldDownscale; +} + +bool ImageWindow::canZoomTo( int newWidth, int newHeight ) +{ + if ( !ImlibWidget::canZoomTo( newWidth, newHeight ) ) + return false; + + QSize desktopSize = KGlobalSettings::desktopGeometry(topLevelWidget()).size(); + + int desktopArea = desktopSize.width() * desktopSize.height(); + int imageArea = newWidth * newHeight; + + if ( imageArea > desktopArea * kdata->maxZoomFactor ) + { + return KMessageBox::warningContinueCancel( + this, + i18n("You are about to view a very large image (%1 x %2 pixels), which can be very resource-consuming and even make your computer hang.\nDo you want to continue?") + .arg( newWidth ).arg( newHeight ), + QString::null, + KStdGuiItem::cont(), + "ImageWindow_confirm_very_large_window" + ) == KMessageBox::Continue; + } + + return true; +} + +void ImageWindow::rotated( KuickImage *kuim, int rotation ) +{ + if ( !m_kuim ) + return; + + ImlibWidget::rotated( kuim, rotation ); + + if ( rotation == ROT_90 || rotation == ROT_270 ) + autoScale( kuim ); // ### BUG: only autoScale when configured! +} + +void ImageWindow::slotProperties() +{ + (void) new KPropertiesDialog( currentFile()->url(), this, "props dialog", true ); +} + +void ImageWindow::setBusyCursor() +{ + // avoid busy cursor in fullscreen mode + if ( !isFullscreen() ) + ImlibWidget::setBusyCursor(); +} + +void ImageWindow::restoreCursor() +{ + // avoid busy cursor in fullscreen mode + if ( !isFullscreen() ) + ImlibWidget::restoreCursor(); +} + +bool ImageWindow::isCursorHidden() const +{ + return cursor().shape() == Qt::BlankCursor; +} + +#include "imagewindow.moc" |