update

Richard_photoList/Richard_photoList.pro

@@ -13,8 +13,12 @@ TEMPLATE = app
 
 
 SOURCES += main.cpp\
-        mainwindow.cpp
+        mainwindow.cpp \
+    mylabel.cpp
 
-HEADERS  += mainwindow.h
+HEADERS  += mainwindow.h \
+    mylabel.h
 
 FORMS    += mainwindow.ui
+
+QMAKE_MAC_SDK = macosx10.9

Richard_photoList/Richard_photoList.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.2.1, 2014-11-23T10:57:38. -->
+<!-- Written by QtCreator 3.2.1, 2015-01-11T14:56:20. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

Richard_photoList/main.cpp

@@ -7,8 +7,8 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     MainWindow w;
     QDesktopWidget dw;
-    int x=dw.width()*0.8;
-    int y=dw.height()*0.8;
+    int x=dw.width()*0.9;
+    int y=dw.height()*0.9;
     w.setFixedSize(x,y);
     w.show();
 

Richard_photoList/mainwindow.cpp

@@ -25,40 +25,82 @@ MainWindow::MainWindow(QWidget *parent) :
     centralWidget->setLayout(entireLayout);
 
     // image hight and width
-    const int w = 150;
-    const int h = 150;
+    const int w = 300;
+    const int h = 300;
 
     // I want to display 100 rows of pictures
     // each row contains 8 columns;
     const int rows = 100;
-    const int columns = 8;
+    const int columns = 4;
+
+    dir = new QDir("/Users/richardyu/Pictures/photolist");
+    QStringList filters;
+    filters << "*png" << "*jpg" << "*JPEG" << "*.bmp";
+    dir->setNameFilters(filters);
+    QFileInfoList list = dir->entryInfoList();
+
+    long listCount = 0;
 
     imageLabel = new QLabel*[rows * columns];
     imageMap = new QPixmap*[rows * columns];
+    imageName = new QLabel*[rows * columns];
+
+    //QLabel* filename;
 
     // double for loop, treat the image grid like a matrix
     // for every row, display each column in the current row
-    for (int k = 0; k < rows; k++) {
+    for (int k = 0; k < rows; k=k+2) {
         for (int j = 0; j < columns; j++) {
+
+            // When all files in the directory are added to the screen
+            // Jump out of the loop using 'goto'
+            if (listCount == list.size()) goto jump;
+
+            // fileinfo contains the path of every image
+            QFileInfo fileinfo = list.at(listCount);
+
             auto int index = k*columns + j;
             imageLabel[index] = new QLabel();
-            imageMap[index] = new QPixmap("/Users/richardyu/Pictures/conduct.png");
-            imageLabel[index]->setPixmap(imageMap[index] ->scaled(w,h,Qt::KeepAspectRatio));
+            imageName[index] = new QLabel();
+            imageMap[index] = new QPixmap(fileinfo.absoluteFilePath());
+            imageLabel[index]->setPixmap(imageMap[index]->scaled(w,h,Qt::KeepAspectRatio));
+            //Widget* tmp(imageLabel[index]);
+            //filename = new QLabel;
+            QString temp = "<font color='red'>" + fileinfo.fileName();
+            imageName[index]->setText(temp);
+
             gridLayout->addWidget(imageLabel[index],k,j);
+            //gridLayout->addWidget(tmp,k,j);
+            gridLayout->addWidget(imageName[index],k+1,j);
+            listCount++;
         }
     }
 
+    jump: listCount = 0;
+
+
+    //QPixmap* tmpmap = new QPixmap("/Users/richardyu/Pictures/conduct.png");
+    //QLabel* tmplabel;
+    //tmplabel->setPixmap(tmpmap->scaled(w,h,Qt::KeepAspectRatioByExpanding));
+    //Widget* tmpwidget = new Widget(tmplabel);
+    //gridLayout->addWidget(tmpwidget, 0, 80);
+
     area->setWidget(gridWidget);
     entireLayout->setAlignment(Qt::AlignTop);
     entireLayout->addWidget(ui->hideImage);
     entireLayout->addWidget(ui->showImage);
+    entireLayout->addWidget(ui->deleteImage);
+    entireLayout->addWidget(ui->renameImage);
+    entireLayout->addWidget(ui->hello);
     entireLayout->addWidget(area);
 
 }
 
 MainWindow::~MainWindow()
 {
+    delete dir;
     delete []imageMap;
+    delete []imageName;
     delete []imageLabel;
     delete gridLayout;
     delete gridWidget;
@@ -68,6 +110,8 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
+
+
 void MainWindow::on_hideImage_released()
 {
     clearImage();
@@ -112,7 +156,7 @@ void MainWindow::addImage() {
             auto int index = k*columns + j;
             imageLabel[index] = new QLabel();
             imageMap[index] = new QPixmap("/Users/richardyu/Pictures/conduct.png");
-            imageLabel[index]->setPixmap(imageMap[index] ->scaled(w,h,Qt::KeepAspectRatio));
+            imageLabel[index]->setPixmap(imageMap[index] ->scaled(w,h,Qt::KeepAspectRatioByExpanding));
             gridLayout->addWidget(imageLabel[index],k,j);
         }
     }
@@ -126,3 +170,8 @@ void MainWindow::on_showImage_released()
     clearImage();
     addImage();
 }
+
+void MainWindow::on_hello_released()
+{
+    clearImage();
+}

Richard_photoList/mainwindow.h

@@ -11,6 +11,11 @@
 #include <QRect>
 #include <QGridLayout>
 #include <QScrollArea>
+#include <QDir>
+#include <QStringList>
+#include <QFileInfoList>
+#include <QFileInfo>
+#include "mylabel.h"
 
 namespace Ui {
 class MainWindow;
@@ -29,6 +34,8 @@ private slots:
 
     void on_showImage_released();
 
+    void on_hello_released();
+
 private:
     Ui::MainWindow *ui;
     QGridLayout* gridLayout;
@@ -37,7 +44,9 @@ private slots:
     QScrollArea* area;
     QVBoxLayout* entireLayout;
     QLabel** imageLabel;
+    QLabel** imageName;
     QPixmap** imageMap;
+    QDir* dir;
     void clearImage();
     void addImage();
 

Richard_photoList/mainwindow.ui

@@ -18,7 +18,7 @@
     <property name="geometry">
      <rect>
       <x>20</x>
-      <y>10</y>
+      <y>20</y>
       <width>113</width>
       <height>32</height>
      </rect>
@@ -36,8 +36,8 @@
    <widget class="QPushButton" name="showImage">
     <property name="geometry">
      <rect>
-      <x>80</x>
-      <y>50</y>
+      <x>140</x>
+      <y>40</y>
       <width>113</width>
       <height>32</height>
      </rect>
@@ -52,6 +52,57 @@
      <string>Show Image</string>
     </property>
    </widget>
+   <widget class="QPushButton" name="deleteImage">
+    <property name="geometry">
+     <rect>
+      <x>260</x>
+      <y>20</y>
+      <width>113</width>
+      <height>32</height>
+     </rect>
+    </property>
+    <property name="maximumSize">
+     <size>
+      <width>300</width>
+      <height>50</height>
+     </size>
+    </property>
+    <property name="text">
+     <string>Delete</string>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="renameImage">
+    <property name="geometry">
+     <rect>
+      <x>120</x>
+      <y>90</y>
+      <width>113</width>
+      <height>32</height>
+     </rect>
+    </property>
+    <property name="maximumSize">
+     <size>
+      <width>300</width>
+      <height>50</height>
+     </size>
+    </property>
+    <property name="text">
+     <string>Rename</string>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="hello">
+    <property name="geometry">
+     <rect>
+      <x>160</x>
+      <y>150</y>
+      <width>113</width>
+      <height>32</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Hello</string>
+    </property>
+   </widget>
   </widget>
   <widget class="QMenuBar" name="menuBar">
    <property name="geometry">

Richard_photoList/mylabel.cpp

@@ -0,0 +1,24 @@
+#include "mylabel.h"
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+{
+    QVBoxLayout *l=new QVBoxLayout(this);
+    label= new QLabel(this);
+    label->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect(label, SIGNAL(customContextMenuRequested(QPoint)),
+            SLOT(customMenuRequested(QPoint)));
+    l->addWidget(label);
+}
+
+Widget::~Widget(){}
+
+void Widget::customMenuRequested(QPoint pos){
+    //QModelIndex index=label->indexAt(pos);
+
+    QMenu *menu=new QMenu(this);
+    menu->addAction(new QAction("Action 1", this));
+    menu->addAction(new QAction("Action 2", this));
+    menu->addAction(new QAction("Action 3", this));
+    menu->popup(label->pos());
+}

Richard_photoList/mylabel.h

@@ -0,0 +1,22 @@
+#ifndef MYLABEL_H
+#define MYLABEL_H
+
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QMenu>
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = 0);
+    ~Widget();
+
+public slots:
+    void customMenuRequested(QPoint pos);
+
+private:
+    QLabel *label;
+};
+#endif

hello/hello.pro

@@ -0,0 +1,20 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2015-01-11T16:13:41
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = hello
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        mainwindow.cpp
+
+HEADERS  += mainwindow.h
+
+FORMS    += mainwindow.ui