Screenshots: Optimize image loading and memory use, fix list and button layout.

CMakeLists.txt

@@ -465,6 +465,7 @@ logic/lists/JavaVersionList.cpp
 
 # the screenshots feature
 logic/screenshots/Screenshot.h
+logic/screenshots/Screenshot.cpp
 logic/screenshots/ScreenshotList.h
 logic/screenshots/ScreenshotList.cpp
 logic/screenshots/ImgurUpload.h

gui/dialogs/ScreenshotDialog.ui

@@ -38,6 +38,9 @@
      <property name="isWrapping" stdset="0">
       <bool>true</bool>
      </property>
+     <property name="resizeMode">
+      <enum>QListView::Adjust</enum>
+     </property>
      <property name="viewMode">
       <enum>QListView::IconMode</enum>
      </property>
@@ -45,6 +48,20 @@
    </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QPushButton" name="uploadBtn">
+       <property name="text">
+        <string>Upload</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="deleteBtn">
+       <property name="text">
+        <string>Delete</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <spacer name="horizontalSpacer">
        <property name="orientation">
@@ -65,20 +82,6 @@
        </property>
       </widget>
      </item>
-     <item>
-      <widget class="QPushButton" name="uploadBtn">
-       <property name="text">
-        <string>Upload</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="deleteBtn">
-       <property name="text">
-        <string>Delete</string>
-       </property>
-      </widget>
-     </item>
     </layout>
    </item>
   </layout>

logic/screenshots/Screenshot.cpp

@@ -0,0 +1,14 @@
+#include "Screenshot.h"
+#include <QImage>
+#include <QIcon>
+QIcon ScreenShot::getImage()
+{
+	if(!imageloaded)
+	{
+		QImage image(file);
+		QImage thumbnail = image.scaledToWidth(256, Qt::SmoothTransformation);
+		m_image = QIcon(QPixmap::fromImage(thumbnail));
+		imageloaded = true;
+	}
+	return m_image;
+}

logic/screenshots/Screenshot.h

@@ -3,9 +3,13 @@
 #include <QDateTime>
 #include <QString>
 #include <memory>
+#include <QIcon>
 
 struct ScreenShot
 {
+	QIcon getImage();
+	QIcon m_image;
+	bool imageloaded = false;
 	QDateTime timestamp;
 	QString file;
 	QString url;

logic/screenshots/ScreenshotList.cpp

@@ -25,7 +25,7 @@ QVariant ScreenshotList::data(const QModelIndex &index, int role) const
 	switch (role)
 	{
 	case Qt::DecorationRole:
-		return QIcon(m_screenshots.at(index.row())->file);
+		return m_screenshots.at(index.row())->getImage();
 	case Qt::DisplayRole:
 		return m_screenshots.at(index.row())->timestamp.toString("yyyy-MM-dd HH:mm:ss");
 	case Qt::ToolTipRole:
@@ -80,6 +80,7 @@ void ScreenshotLoadTask::executeTask()
 	m_list->loadShots(m_results);
 	emitSucceeded();
 }
+
 void ScreenshotList::deleteSelected(ScreenshotDialog *dialog)
 {
 	auto screens = dialog->selected();