extragear/graphics/digikam/digikam

[Gilles Caulier-4]

SVN commit 809790 by cgilles:

digiKam from trunk : enable fuzzy search view based on a drawing sketch. Not yet suitable.

MOCUP: http://digikam3rdparty.free.fr/Screenshots/temp/sketchfuzzysearch.png

CCMAIL: [hidden email]
CCMAIL: [hidden email]



 M  +5 -0      digikamview.cpp  
 M  +82 -2     fuzzysearchview.cpp  
 M  +8 -3      fuzzysearchview.h  
 M  +8 -2      sketchwidget.cpp  
 M  +9 -4      sketchwidget.h  


--- trunk/extragear/graphics/digikam/digikam/digikamview.cpp #809789:809790
@@ -78,6 +78,7 @@
 #include "imagepreviewview.h"
 #include "datefolderview.h"
 #include "tagfolderview.h"
+#include "fuzzysearchview.h"
 #include "searchfolderview.h"
 #include "searchtabheader.h"
 #include "statusprogressbar.h"
@@ -124,6 +125,7 @@
         albumWidgetStack      = 0;
         selectionTimer        = 0;
         thumbSizeTimer        = 0;
+        fuzzySearchView       = 0;
         needDispatchSelection = false;
         cancelSlideShow       = false;
         thumbSize             = ThumbnailSize::Medium;
@@ -167,6 +169,7 @@
     SearchFolderView         *searchFolderView;
     SearchTabHeader          *searchTabHeader;
     TagFilterView            *tagFilterView;
+    FuzzySearchView          *fuzzySearchView;
 };
 
 DigikamView::DigikamView(QWidget *parent)
@@ -222,12 +225,14 @@
 
     d->dateFolderView   = new DateFolderView(this);
     d->timeLineView     = new TimeLineView(this);
+    d->fuzzySearchView  = new FuzzySearchView(this);
 
     d->leftSideBar->appendTab(d->folderBox, SmallIcon("folder-image"), i18n("Albums"));
     d->leftSideBar->appendTab(d->dateFolderView, SmallIcon("view-calendar-list"), i18n("Calendar"));
     d->leftSideBar->appendTab(d->tagBox, SmallIcon("tag"), i18n("Tags"));
     d->leftSideBar->appendTab(d->timeLineView, SmallIcon("clock"), i18n("Timeline"));
     d->leftSideBar->appendTab(d->searchBox, SmallIcon("edit-find"), i18n("Searches"));
+    d->leftSideBar->appendTab(d->fuzzySearchView, SmallIcon("tools-wizard"), i18n("Fuzzy Searches"));
 
     // To the right.
 
--- trunk/extragear/graphics/digikam/digikam/fuzzysearchview.cpp #809789:809790
@@ -37,6 +37,9 @@
 #include <kapplication.h>
 #include <kstandarddirs.h>
 #include <kmessagebox.h>
+#include <khuesaturationselect.h>
+#include <kcolorvalueselector.h>
+#include <knuminput.h>
 
 // Local includes.
 
@@ -58,9 +61,21 @@
     FuzzySearchViewPriv()
     {
         sketchWidget = 0;
+        hsSelector   = 0;
+        vSelector    = 0;
+        penSize      = 0;
+        clearButton  = 0;
     }
 
-    SketchWidget *sketchWidget;
+    QPushButton            *clearButton;
+
+    KIntNumInput           *penSize;
+
+    KHueSaturationSelector *hsSelector;
+
+    KColorValueSelector    *vSelector;
+
+    SketchWidget           *sketchWidget;
 };
 
 FuzzySearchView::FuzzySearchView(QWidget *parent)
@@ -76,13 +91,52 @@
     // ---------------------------------------------------------------
 
     d->sketchWidget = new SketchWidget(this);
+    d->hsSelector   = new KHueSaturationSelector(this);
+    d->vSelector    = new KColorValueSelector(this);
+    d->hsSelector->setMinimumSize(200, 142);
+    d->vSelector->setMinimumSize(26, 142);
 
     // ---------------------------------------------------------------
 
+    d->penSize = new KIntNumInput(this);
+    d->penSize->setRange(1, 40, 1);
+    d->penSize->setSliderEnabled(true);
+    d->penSize->setValue(10);
+    d->penSize->setWhatsThis(i18n("<p>Set here the brush size in pixels used to draw sketch."));
+
+    // ---------------------------------------------------------------
+
+    d->clearButton = new QPushButton(i18n("Clear"), this);
+    d->clearButton->setWhatsThis(i18n("<p>Use this button to clear sketch contents."));
+
+    // ---------------------------------------------------------------
+
     grid->addWidget(d->sketchWidget, 0, 0, 1, 2);
-    grid->setRowStretch(1, 10);
+    grid->addWidget(d->hsSelector,   1, 0, 1, 1);
+    grid->addWidget(d->vSelector,    1, 1, 1, 1);
+    grid->addWidget(d->penSize,      2, 0, 1, 2);
+    grid->addWidget(d->clearButton,  3, 0, 1, 2);
+    grid->setRowStretch(4, 10);
+    grid->setColumnStretch(0, 10);
     grid->setMargin(KDialog::spacingHint());
     grid->setSpacing(KDialog::spacingHint());
+
+    // ---------------------------------------------------------------
+
+    connect(d->hsSelector, SIGNAL(valueChanged(int, int)),
+            this, SLOT(slotHSChanged(int, int)));
+
+    connect(d->vSelector, SIGNAL(valueChanged(int)),
+            this, SLOT(slotVChanged()));
+
+    connect(d->penSize, SIGNAL(valueChanged(int)),
+            d->sketchWidget, SLOT(setPenWidth(int)));
+
+    connect(d->clearButton, SIGNAL(clicked()),
+            d->sketchWidget, SLOT(slotClear()));
+
+    connect(d->sketchWidget, SIGNAL(signalSketchChanged(const QImage&)),
+            this, SLOT(slotSketchChanged(const QImage&)));
 }
 
 FuzzySearchView::~FuzzySearchView()
@@ -91,6 +145,32 @@
     delete d;
 }
 
+void FuzzySearchView::slotHSChanged(int h, int s)
+{
+    d->vSelector->blockSignals(true);
+    d->vSelector->setHue(h);
+    d->vSelector->setSaturation(s);
+    d->vSelector->updateContents();
+    d->vSelector->repaint();
+    d->vSelector->blockSignals(false);
+    slotVChanged();
+}
+
+void FuzzySearchView::slotVChanged()
+{
+    int hue      = d->hsSelector->xValue();
+    int sat      = d->hsSelector->yValue();
+    int val      = d->vSelector->value();
+    QColor color = QColor::fromHsv(hue, sat, val);
+
+    d->sketchWidget->setPenColor(color);
+}
+
+void FuzzySearchView::slotSketchChanged(const QImage& /*img*/)
+{
+    // TODO: query database here !
+}
+
 void FuzzySearchView::readConfig()
 {
 /*    KSharedConfig::Ptr config = KGlobal::config();
--- trunk/extragear/graphics/digikam/digikam/fuzzysearchview.h #809789:809790
@@ -26,9 +26,8 @@
 
 // Qt includes.
 
-#include <QDateTime>
 #include <QFrame>
-#include <QString>
+#include <QImage>
 
 namespace Digikam
 {
@@ -51,9 +50,15 @@
     void readConfig();
     void writeConfig();
 
+private slots:
+
+    void slotHSChanged(int h, int s);
+    void slotVChanged();
+    void slotSketchChanged(const QImage&);
+
 private:
 
-    FuzzySearchViewPriv* d;
+    FuzzySearchViewPriv *d;
 };
 
 }  // NameSpace Digikam
--- trunk/extragear/graphics/digikam/digikam/sketchwidget.cpp #809789:809790
@@ -66,7 +66,7 @@
 
     setAttribute(Qt::WA_StaticContents);
     setFixedSize(256, 256);
-    clearSketch();
+    slotClear();
 }
 
 SketchWidget::~SketchWidget()
@@ -84,6 +84,11 @@
     return d->penWidth;
 }
 
+QImage SketchWidget::sketchImage() const
+{
+    return d->pixmap.toImage();
+}
+
 void SketchWidget::setPenColor(const QColor &newColor)
 {
     d->penColor = newColor;
@@ -94,7 +99,7 @@
     d->penWidth = newWidth;
 }
 
-void SketchWidget::clearSketch()
+void SketchWidget::slotClear()
 {
     d->pixmap.fill(qRgb(255, 255, 255));
     update();
@@ -121,6 +126,7 @@
     {
         drawLineTo(event->pos());
         d->drawing = false;
+        emit signalSketchChanged(sketchImage());
     }
 }
 
--- trunk/extragear/graphics/digikam/digikam/sketchwidget.h #809789:809790
@@ -42,15 +42,20 @@
     SketchWidget(QWidget *parent=0);
     ~SketchWidget();
 
-    void   setPenColor(const QColor& newColor);
     QColor penColor() const;
-
-    void   setPenWidth(int newWidth);
     int    penWidth() const;
 
+    QImage sketchImage() const;
+
+signals:
+
+    void signalSketchChanged(const QImage&);
+
 public slots:
 
-    void clearSketch();
+    void setPenColor(const QColor& newColor);
+    void setPenWidth(int newWidth);
+    void slotClear();
 
 protected:
 
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