some initial delegate stuff

ui/widgets/vcard/omemo/CMakeLists.txt

@@ -4,4 +4,6 @@ target_sources(squawk PRIVATE
     omemo.ui
     keysmodel.cpp
     keysmodel.h
+    keydelegate.cpp
+    keydelegate.h
 )

ui/widgets/vcard/omemo/keydelegate.cpp

@@ -0,0 +1,71 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// 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 3 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.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "keydelegate.h"
+#include <QPainter>
+#include <QFontDatabase>
+
+#include "keysmodel.h"
+
+constexpr int minHeight = 50;
+constexpr int minWidth = 400;
+
+UI::KeyDelegate::KeyDelegate(QObject* parent):
+    QStyledItemDelegate(parent),
+    fingerPrintFont(QFontDatabase::systemFont(QFontDatabase::FixedFont))
+{
+}
+
+UI::KeyDelegate::~KeyDelegate() {}
+
+
+void UI::KeyDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const {
+    painter->save();
+    painter->setRenderHint(QPainter::Antialiasing, true);
+
+    bool hover = option.state & QStyle::State_MouseOver;
+    if (hover) {
+        painter->save();
+        painter->fillRect(option.rect, option.palette.brush(QPalette::Inactive, QPalette::Highlight));
+        painter->restore();
+    }
+
+    QVariant fingerPrintV = index.data(UI::KeysModel::FingerPrint);
+    if (fingerPrintV.isValid()) {
+        painter->save();
+        QByteArray fingerPrint = fingerPrintV.toByteArray();
+
+        painter->setFont(fingerPrintFont);
+        painter->drawText(option.rect, option.displayAlignment | Qt::AlignTop, fingerPrint.toHex());
+
+        painter->restore();
+    }
+    painter->drawText(option.rect, option.displayAlignment, index.data().toString());
+
+    painter->restore();
+}
+
+QSize UI::KeyDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const {
+    QSize size = QStyledItemDelegate::sizeHint(option, index);
+
+    if (size.width() < minWidth)
+        size.setWidth(minWidth);
+
+    if (size.height() < minHeight)
+        size.setHeight(minHeight);
+
+    return size;
+}

ui/widgets/vcard/omemo/keydelegate.h

@@ -0,0 +1,39 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// 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 3 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.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef UI_KEYDELEGATE_H
+#define UI_KEYDELEGATE_H
+
+#include <QStyledItemDelegate>
+
+namespace UI {
+
+class KeyDelegate : public QStyledItemDelegate
+{
+public:
+    KeyDelegate(QObject *parent = nullptr);
+    ~KeyDelegate();
+
+    QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const override;
+    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+
+private:
+    QFont fingerPrintFont;
+};
+
+}
+
+#endif // UI_KEYDELEGATE_H

ui/widgets/vcard/omemo/keysmodel.cpp

@@ -46,6 +46,9 @@ QVariant UI::KeysModel::data(const QModelIndex& index, int role) const {
         case Qt::DisplayRole:
             answer = keys[i]->label;
             break;
+        case FingerPrint:
+            answer = keys[i]->fingerPrint;
+            break;
     }
 
     return answer;

ui/widgets/vcard/omemo/omemo.cpp

@@ -17,9 +17,14 @@
 #include "omemo.h"
 #include "ui_omemo.h"
 
+#include <random>
+constexpr uint8_t fingerprintLength = 24;
+
 Omemo::Omemo(QWidget* parent):
     QWidget(parent),
     m_ui(new Ui::Omemo()),
+    keysDelegate(),
+    unusedKeysDelegate(),
     keysModel(),
     unusedKeysModel()
 {
@@ -27,7 +32,9 @@ Omemo::Omemo(QWidget* parent):
 
     generateMockData();
 
+    m_ui->keysView->setItemDelegate(&keysDelegate);
     m_ui->keysView->setModel(&keysModel);
+    m_ui->unusedKeysView->setItemDelegate(&unusedKeysDelegate);
     m_ui->unusedKeysView->setModel(&unusedKeysModel);
 }
 
@@ -38,10 +45,17 @@ Omemo::~Omemo()
 
 void Omemo::generateMockData()
 {
+    std::random_device rd;
+    std::uniform_int_distribution<char> dist(CHAR_MIN, CHAR_MAX);
     for (int i = 0; i < 5; ++i) {
+        QByteArray fp(fingerprintLength, 0);
+        for (int i = 0; i < fingerprintLength; ++i) {
+            fp[i] = dist(rd);
+        }
         Shared::KeyInfo info;
         info.id = i;
         info.label = QString("test_") + std::to_string(i).c_str();
+        info.fingerPrint = fp;
         keysModel.addKey(info);
     }
 }

ui/widgets/vcard/omemo/omemo.h

@@ -21,6 +21,7 @@
 #include <QScopedPointer>
 
 #include "keysmodel.h"
+#include "keydelegate.h"
 
 namespace Ui
 {
@@ -38,6 +39,8 @@ private:
 
 private:
     QScopedPointer<Ui::Omemo> m_ui;
+    UI::KeyDelegate keysDelegate;
+    UI::KeyDelegate unusedKeysDelegate;
     UI::KeysModel keysModel;
     UI::KeysModel unusedKeysModel;
 };

ui/widgets/vcard/omemo/omemo.ui

@@ -63,9 +63,28 @@
         <height>592</height>
        </rect>
       </property>
-      <layout class="QGridLayout" name="gridLayout">
+      <layout class="QGridLayout" name="gridLayout" columnstretch="1,3,1">
        <item row="1" column="1">
-        <widget class="QListView" name="keysView"/>
+        <widget class="QListView" name="keysView">
+         <property name="sizeAdjustPolicy">
+          <enum>QAbstractScrollArea::AdjustToContents</enum>
+         </property>
+         <property name="showDropIndicator" stdset="0">
+          <bool>false</bool>
+         </property>
+         <property name="selectionBehavior">
+          <enum>QAbstractItemView::SelectColumns</enum>
+         </property>
+         <property name="verticalScrollMode">
+          <enum>QAbstractItemView::ScrollPerPixel</enum>
+         </property>
+         <property name="horizontalScrollMode">
+          <enum>QAbstractItemView::ScrollPerItem</enum>
+         </property>
+         <property name="uniformItemSizes">
+          <bool>true</bool>
+         </property>
+        </widget>
        </item>
        <item row="3" column="1">
         <widget class="Line" name="line">

ui/widgets/vcard/vcard.ui

@@ -10,7 +10,7 @@
     <x>0</x>
     <y>0</y>
     <width>578</width>
-    <height>671</height>
+    <height>748</height>
    </rect>
   </property>
   <layout class="QGridLayout" name="gridLayout_4">
@@ -84,7 +84,7 @@
         <enum>QTabWidget::Rounded</enum>
        </property>
        <property name="currentIndex">
-        <number>0</number>
+        <number>1</number>
        </property>
        <property name="elideMode">
         <enum>Qt::ElideNone</enum>
@@ -566,8 +566,8 @@
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>566</width>
-              <height>498</height>
+              <width>545</width>
+              <height>544</height>
              </rect>
             </property>
             <layout class="QGridLayout" name="gridLayout_3" columnstretch="1,3,1">