Add Emote preview (#774)

* Add an emote preview which pops up from right click context menu

* rename action names to "preanim/idle/talk"

* Improve emote preview window

* Preview no longer ignores offsets
No longer override stylesheets
Add "Preview Selected" option to the dropdown

* bruh

* Fix "set play once" being ignored when a (c) emote is loaded

* Remove useless comments

* Implement Salanto suggestions

Co-authored-by: stonedDiscord <Tukz@gmx.de>

5 files changed, 171 insertions, 3 deletions

diff --git a/include/aoemotepreview.h b/include/aoemotepreview.h
new file mode 100644
index 00000000..315371b3
--- /dev/null
+++ b/include/aoemotepreview.h
@@ -0,0 +1,32 @@
+#ifndef AOEMOTEPREVIEW_H
+#define AOEMOTEPREVIEW_H
+
+#include "aolayer.h"
+#include <QWidget>
+
+class AOEmotePreview : public QWidget
+{
+  Q_OBJECT
+public:
+  AOEmotePreview(QWidget *parent = nullptr,
+                 AOApplication *p_ao_app = nullptr);
+
+  void set_widgets();
+  void play(QString emote, QString char_name, bool flipped = false, int self_offset = 0, int self_offset_v = 0);
+private:
+  AOApplication *ao_app;
+  QWidget *ui_viewport;
+  BackgroundLayer *ui_vp_background;
+  SplashLayer *ui_vp_speedlines;
+  CharLayer *ui_vp_player_char;
+  BackgroundLayer *ui_vp_desk;
+
+  QLabel *ui_size_label;
+
+  QString m_emote = "";
+  QString m_char = "";
+protected:
+  void resizeEvent(QResizeEvent *);
+};
+
+#endif // AOEMOTEPREVIEW_H
diff --git a/include/courtroom.h b/include/courtroom.h
index 43cecf36..eee84a6d 100644
--- a/include/courtroom.h
+++ b/include/courtroom.h
@@ -24,6 +24,7 @@
 #include "lobby.h"
 #include "scrolltext.h"
 #include "eventfilters.h"
+#include "aoemotepreview.h"
 
 #include <QCheckBox>
 #include <QCloseEvent>
@@ -690,6 +691,9 @@ private:
   AOButton *ui_emote_left;
   AOButton *ui_emote_right;
 
+  QMenu *emote_menu;
+  AOEmotePreview *emote_preview;
+
   QComboBox *ui_emote_dropdown;
   QComboBox *ui_pos_dropdown;
   AOButton *ui_pos_remove;
@@ -920,6 +924,8 @@ private slots:
   void on_custom_objection_clicked();
   void show_custom_objection_menu(const QPoint &pos);
 
+  void show_emote_menu(const QPoint &pos);
+
   void on_realization_clicked();
   void on_screenshake_clicked();
 
@@ -999,6 +1005,9 @@ private slots:
 
   // Proceed to parse the oldest chatmessage and remove it from the stack
   void chatmessage_dequeue();
+
+  void preview_emote(QString emote);
+  void update_emote_preview();
 };
 
 #endif // COURTROOM_H
diff --git a/src/aoemotepreview.cpp b/src/aoemotepreview.cpp
new file mode 100644
index 00000000..5afeebda
--- /dev/null
+++ b/src/aoemotepreview.cpp
@@ -0,0 +1,44 @@
+#include "aoemotepreview.h"
+
+AOEmotePreview::AOEmotePreview(QWidget *parent, AOApplication *p_ao_app) : QWidget(parent)
+{
+  ao_app = p_ao_app;
+
+  ui_viewport = new QWidget(this);
+  ui_vp_player_char = new CharLayer(ui_viewport, ao_app);
+  ui_vp_player_char->setObjectName("ui_vp_player_char");
+  ui_vp_player_char->masked = false;
+  ui_size_label = new QLabel(this);
+  ui_size_label->setObjectName("ui_size_label");
+  setWindowFlag(Qt::WindowMinMaxButtonsHint, false);
+  setWindowFlag(Qt::Tool);
+  this->resize(256, 192);
+}
+
+void AOEmotePreview::set_widgets()
+{
+  ui_viewport->resize(this->width(), this->height());
+
+  ui_vp_player_char->move_and_center(0, 0);
+  ui_vp_player_char->combo_resize(ui_viewport->width(), ui_viewport->height());
+
+  ui_size_label->setText(QString::number(this->width()) + "x" + QString::number(this->height()));
+}
+
+void AOEmotePreview::play(QString emote, QString char_name, bool flipped, int self_offset, int self_offset_v)
+{
+  ui_vp_player_char->stop();
+  ui_vp_player_char->set_flipped(flipped);
+  ui_vp_player_char->move_and_center(ui_viewport->width() * self_offset / 100, ui_viewport->height() * self_offset_v / 100);
+  ui_vp_player_char->load_image(emote, char_name, 0, false);
+  ui_vp_player_char->set_play_once(false);
+  m_emote = emote;
+  m_char = char_name;
+  setWindowTitle(char_name + ": " + emote);
+}
+
+void AOEmotePreview::resizeEvent(QResizeEvent *)
+{
+  set_widgets();
+  ui_vp_player_char->load_image(m_emote, m_char, 0, false);
+}
diff --git a/src/courtroom.cpp b/src/courtroom.cpp
index e76ba414..60d2948e 100644
--- a/src/courtroom.cpp
+++ b/src/courtroom.cpp
@@ -209,8 +209,6 @@ Courtroom::Courtroom(AOApplication *p_ao_app) : QMainWindow()
   ui_music_search->setPlaceholderText(tr("Search"));
   ui_music_search->setObjectName("ui_music_search");
 
-  initialize_emotes();
-
   ui_pos_dropdown = new QComboBox(this);
   ui_pos_dropdown->view()->setTextElideMode(Qt::ElideLeft);
   ui_pos_dropdown->setObjectName("ui_pos_dropdown");
@@ -404,6 +402,7 @@ Courtroom::Courtroom(AOApplication *p_ao_app) : QMainWindow()
   ui_evidence_button = new AOButton(this, ao_app);
   ui_evidence_button->setObjectName("ui_evidence_button");
 
+  initialize_emotes();
   initialize_evidence();
 
   construct_char_select();
diff --git a/src/emotes.cpp b/src/emotes.cpp
index 669aa179..69d11852 100644
--- a/src/emotes.cpp
+++ b/src/emotes.cpp
@@ -13,8 +13,15 @@ void Courtroom::initialize_emotes()
   ui_emote_right->setObjectName("ui_emote_right");
 
   ui_emote_dropdown = new QComboBox(this);
+  ui_emote_dropdown->setContextMenuPolicy(Qt::CustomContextMenu);
   ui_emote_dropdown->setObjectName("ui_emote_dropdown");
 
+  emote_menu = new QMenu(this);
+  emote_menu->setObjectName("ui_emote_menu");
+
+  emote_preview = new AOEmotePreview(this, ao_app);
+  emote_preview->setObjectName("ui_emote_preview");
+
   connect(ui_emote_left, &AOButton::clicked, this,
           &Courtroom::on_emote_left_clicked);
   connect(ui_emote_right, &AOButton::clicked, this,
@@ -22,6 +29,16 @@ void Courtroom::initialize_emotes()
 
   connect(ui_emote_dropdown, QOverload<int>::of(&QComboBox::activated), this,
           &Courtroom::on_emote_dropdown_changed);
+  connect(ui_emote_dropdown,
+          &AOEmoteButton::customContextMenuRequested, this,
+          &Courtroom::show_emote_menu);
+
+  connect(ui_pre, QOverload<int>::of(&QCheckBox::stateChanged), this, &Courtroom::update_emote_preview);
+  connect(ui_flip, &AOButton::clicked, this, &Courtroom::update_emote_preview);
+  connect(ui_pair_offset_spinbox, QOverload<int>::of(&QSpinBox::valueChanged), this,
+          &Courtroom::update_emote_preview);
+  connect(ui_pair_vert_offset_spinbox, QOverload<int>::of(&QSpinBox::valueChanged), this,
+          &Courtroom::update_emote_preview);
 }
 
 void Courtroom::refresh_emotes()
@@ -76,9 +93,14 @@ void Courtroom::refresh_emotes()
 
     f_emote->set_id(n);
 
+    f_emote->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(f_emote, &AOEmoteButton::emote_clicked, this,
             &Courtroom::on_emote_clicked);
 
+    connect(f_emote,
+            &AOEmoteButton::customContextMenuRequested, this,
+            &Courtroom::show_emote_menu);
+
     ++x_mod_count;
 
     if (x_mod_count == emote_columns) {
@@ -185,15 +207,77 @@ void Courtroom::select_emote(int p_id)
   }
 
   ui_emote_dropdown->setCurrentIndex(current_emote);
-
+  update_emote_preview();
   ui_ic_chat_message->setFocus();
 }
 
+void Courtroom::update_emote_preview() {
+  if (!emote_preview->isVisible()) {
+    return;
+  }
+  QString emote;
+  QString pre = ao_app->get_pre_emote(current_char, current_emote);
+  if (ui_pre->isChecked() && !pre.isEmpty() && pre != "-") {
+    emote = pre;
+  }
+  else {
+    emote = "(b)" + ao_app->get_emote(current_char, current_emote);
+  }
+  preview_emote(emote);
+}
+
 void Courtroom::on_emote_clicked(int p_id)
 {
   select_emote(p_id + max_emotes_on_page * current_emote_page);
 }
 
+void Courtroom::show_emote_menu(const QPoint &pos)
+{
+  QWidget* button = qobject_cast<QWidget*>(sender());
+  int id = current_emote;
+  if (qobject_cast<AOEmoteButton*>(button)) {
+    AOEmoteButton* emote_button = qobject_cast<AOEmoteButton*>(sender());
+    id = emote_button->get_id();
+  }
+  int emote_num = id + max_emotes_on_page * current_emote_page;
+  emote_menu->clear();
+  emote_menu->setDefaultAction(emote_menu->addAction("Preview Selected", this, [=]{
+    emote_preview->show();
+    emote_preview->raise();
+    emote_preview->set_widgets();
+    update_emote_preview();
+  }
+  ));
+  QString prefix = "";
+  QString f_pre = ao_app->get_pre_emote(current_char, emote_num);
+  if (!f_pre.isEmpty() && f_pre != "-") {
+    emote_menu->addAction("Preview pre: " + f_pre, this, [=]{ preview_emote(f_pre); });
+  }
+
+  QString f_emote = ao_app->get_emote(current_char, emote_num);
+  if (!f_emote.isEmpty()) {
+    emote_menu->addAction("Preview idle: " + f_emote, this, [=]{ preview_emote("(a)" + f_emote); });
+    emote_menu->addAction("Preview talk: " + f_emote, this, [=]{ preview_emote("(b)" + f_emote); });
+    QStringList c_paths = {
+      ao_app->get_image_suffix(ao_app->get_character_path(current_char, "(c)" + f_emote)),
+      ao_app->get_image_suffix(ao_app->get_character_path(current_char, "(c)/" + f_emote))
+      };
+    // if there is a (c) animation
+    if (file_exists(ui_vp_player_char->find_image(c_paths))) {
+      emote_menu->addAction("Preview segway: " + f_emote, this, [=]{ preview_emote("(c)" + f_emote); });
+    }
+  }
+  emote_menu->popup(button->mapToGlobal(pos));
+}
+
+void Courtroom::preview_emote(QString f_emote)
+{
+  emote_preview->show();
+  emote_preview->raise();
+  emote_preview->set_widgets();
+  emote_preview->play(f_emote, current_char, ui_flip->isChecked(), ui_pair_offset_spinbox->value(), ui_pair_vert_offset_spinbox->value());
+}
+
 void Courtroom::on_emote_left_clicked()
 {
   --current_emote_page;