message preview refactor, several bugs about label size, animations are now playing in previews

2021-05-16 01:07:49 +03:00 · 2021-05-16 01:07:49 +03:00 · 0d584c5aba
commit 0d584c5aba
parent 4307262f6e
20 changed files with 498 additions and 164 deletions
--- a/ui/widgets/messageline/messagedelegate.h
+++ b/ui/widgets/messageline/messagedelegate.h
@ -0,0 +1,103 @@
+/*
+ * 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 MESSAGEDELEGATE_H
+#define MESSAGEDELEGATE_H
+
+#include <map>
+#include <set>
+
+#include <QStyledItemDelegate>
+#include <QStyleOptionButton>
+#include <QFont>
+#include <QFontMetrics>
+#include <QPushButton>
+#include <QProgressBar>
+#include <QLabel>
+
+#include "shared/icons.h"
+#include "shared/global.h"
+#include "shared/utils.h"
+
+#include "preview.h"
+
+namespace Models {
+    struct FeedItem;
+};
+
+class MessageDelegate : public QStyledItemDelegate
+{
+    Q_OBJECT
+public:
+    MessageDelegate(QObject *parent = nullptr);
+    ~MessageDelegate();
+    
+    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+    QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+    //void setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const override;
+    
+    void initializeFonts(const QFont& font);
+    bool editorEvent(QEvent * event, QAbstractItemModel * model, const QStyleOptionViewItem & option, const QModelIndex & index) override;
+    void endClearWidgets();
+    void beginClearWidgets();
+    
+signals:
+    void buttonPushed(const QString& messageId) const;
+    void invalidPath(const QString& messageId) const;
+    
+protected:
+    void paintButton(QPushButton* btn, QPainter* painter, bool sentByMe, QStyleOptionViewItem& option) const;
+    void paintBar(QProgressBar* bar, QPainter* painter, bool sentByMe, QStyleOptionViewItem& option) const;
+    void paintPreview(const Models::FeedItem& data, QPainter* painter, QStyleOptionViewItem& option) const;
+    void paintComment(const Models::FeedItem& data, QPainter* painter, QStyleOptionViewItem& option) const;
+    QPushButton* getButton(const Models::FeedItem& data) const;
+    QProgressBar* getBar(const Models::FeedItem& data) const;
+    QLabel* getStatusIcon(const Models::FeedItem& data) const;
+    QLabel* getBody(const Models::FeedItem& data) const;
+    void clearHelperWidget(const Models::FeedItem& data) const;
+    
+protected slots:
+    void onButtonPushed() const;
+    
+private:
+    class FeedButton : public QPushButton {
+    public:
+        QString messageId;
+    };
+    
+    QFont bodyFont;
+    QFont nickFont;
+    QFont dateFont;
+    QFontMetrics bodyMetrics;
+    QFontMetrics nickMetrics;
+    QFontMetrics dateMetrics;
+    
+    int buttonHeight;
+    int barHeight;
+    
+    std::map<QString, FeedButton*>* buttons;
+    std::map<QString, QProgressBar*>* bars;
+    std::map<QString, QLabel*>* statusIcons;
+    std::map<QString, QLabel*>* bodies;
+    std::map<QString, Preview*>* previews;
+    std::set<QString>* idsToKeep;
+    bool clearingWidgets;
+    
+};
+
+#endif // MESSAGEDELEGATE_H