From 7ca29d8396bfda356cb346999fa38298874aeda5 Mon Sep 17 00:00:00 2001
From: eidheim <eidheim@gmail.com>
Date: Sat, 25 Jul 2015 12:50:55 +0200
Subject: [PATCH] Label with the number of search matches addes as well as case
 sensitive and regex toggle buttons. Some minor fixes too.

---
 juci/entrybox.cc |  30 +++++++--
 juci/entrybox.h  |  15 +++++
 juci/notebook.cc | 169 ++++++++++++++++++++++++++++++-----------------
 juci/notebook.h  |   5 ++
 juci/source.cc   |  18 +++--
 juci/source.h    |   3 +-
 6 files changed, 166 insertions(+), 74 deletions(-)

diff --git a/juci/entrybox.cc b/juci/entrybox.cc
index ad714a0..5ce5e56 100644
--- a/juci/entrybox.cc
+++ b/juci/entrybox.cc
@@ -20,24 +20,44 @@ EntryBox::Button::Button(const std::string& label, std::function<void()> on_acti
   });
 }
 
-EntryBox::EntryBox() : Gtk::Box(Gtk::ORIENTATION_HORIZONTAL) {}
+EntryBox::ToggleButton::ToggleButton(const std::string& label, std::function<void()> on_activate) : Gtk::ToggleButton(label), on_activate(on_activate) {
+  signal_clicked().connect([this](){
+    if(this->on_activate)
+      this->on_activate();
+  });
+}
+
+EntryBox::Label::Label(std::function<void(int state, const std::string& message)> update) : Gtk::Label(), update(update) {
+    if(this->update)
+      this->update(-1, "");
+}
+
+EntryBox::EntryBox() : Gtk::Box(Gtk::ORIENTATION_VERTICAL), upper_box(Gtk::ORIENTATION_HORIZONTAL), lower_box(Gtk::ORIENTATION_HORIZONTAL) {
+  pack_start(upper_box, Gtk::PACK_SHRINK);
+  pack_start(lower_box, Gtk::PACK_SHRINK);
+}
 
 void EntryBox::clear() {
   hide();
   entries.clear();
   buttons.clear();
+  toggle_buttons.clear();
+  labels.clear();
 }
 
 void EntryBox::show() {
   std::vector<Gtk::Widget*> focus_chain;
   for(auto& entry: entries) {
-    pack_start(entry, Gtk::PACK_SHRINK);
+    upper_box.pack_start(entry, Gtk::PACK_SHRINK);
     focus_chain.emplace_back(&entry);
   }
   for(auto& button: buttons)
-    pack_start(button, Gtk::PACK_SHRINK);
-    
-  set_focus_chain(focus_chain);
+    upper_box.pack_start(button, Gtk::PACK_SHRINK);
+  for(auto& toggle_button: toggle_buttons)
+    upper_box.pack_start(toggle_button, Gtk::PACK_SHRINK);
+  for(auto& label: labels)
+    lower_box.pack_start(label, Gtk::PACK_SHRINK);
+  upper_box.set_focus_chain(focus_chain);
   show_all();
   if(entries.size()>0) {
     entries.begin()->grab_focus();
diff --git a/juci/entrybox.h b/juci/entrybox.h
index 47acf70..06632e7 100644
--- a/juci/entrybox.h
+++ b/juci/entrybox.h
@@ -17,12 +17,27 @@ public:
     Button(const std::string& label, std::function<void()> on_activate=nullptr);
     std::function<void()> on_activate;
   };
+  class ToggleButton : public Gtk::ToggleButton {
+  public:
+    ToggleButton(const std::string& label, std::function<void()> on_activate=nullptr);
+    std::function<void()> on_activate;
+  };
+  class Label : public Gtk::Label {
+  public:
+    Label(std::function<void(int state, const std::string& message)> update=nullptr);
+    std::function<void(int state, const std::string& message)> update;
+  };
+
 public:
   EntryBox();
+  Gtk::Box upper_box;
+  Gtk::Box lower_box;
   void clear();
   void show();
   std::list<Entry> entries;
   std::list<Button> buttons;
+  std::list<ToggleButton> toggle_buttons;
+  std::list<Label> labels;
 };
 
 #endif  // JUCI_ENTRYBOX_H_
diff --git a/juci/notebook.cc b/juci/notebook.cc
index f68085d..bb5a3d9 100644
--- a/juci/notebook.cc
+++ b/juci/notebook.cc
@@ -27,8 +27,10 @@ Notebook::Controller::Controller() :
     }
   });
   view.notebook.signal_switch_page().connect([this](Gtk::Widget* page, guint page_num) {
-    if(search_entry_shown && CurrentPage()!=-1)
-      CurrentSourceView()->search_highlight(last_search);
+    if(search_entry_shown && entry_box.labels.size()>0 && CurrentPage()!=-1) {
+      CurrentSourceView()->search_highlight(last_search, case_sensitive_search, regex_search);
+      entry_box.labels.back().update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+    }
   });
   INFO("Notebook Controller Success");
 }  // Constructor
@@ -48,65 +50,7 @@ void Notebook::Controller::CreateKeybindings() {
     OnCloseCurrentPage();
   });
   menu->action_group->add(Gtk::Action::create("EditFind", "Find"), Gtk::AccelKey(menu->key_map["edit_find"]), [this]() {
-    entry_box.clear();
-    entry_box.entries.emplace_back(last_search, [this](const std::string& content){
-      if(CurrentPage()!=-1)
-        CurrentSourceView()->search_forward();
-    });
-    auto search_entry_it=entry_box.entries.begin();
-    search_entry_it->set_placeholder_text("Find");
-    if(CurrentPage()!=-1)
-      CurrentSourceView()->search_highlight(search_entry_it->get_text());
-    search_entry_it->signal_key_press_event().connect([this](GdkEventKey* event){
-      if(event->keyval==GDK_KEY_Return && event->state==GDK_SHIFT_MASK) {
-        if(CurrentPage()!=-1)
-          CurrentSourceView()->search_backward();
-      }
-      return false;
-    });
-    search_entry_it->signal_changed().connect([this, search_entry_it](){
-      last_search=search_entry_it->get_text();
-      if(CurrentPage()!=-1)
-        CurrentSourceView()->search_highlight(search_entry_it->get_text());
-    });
-    
-    entry_box.entries.emplace_back(last_replace, [this](const std::string &content){
-      if(CurrentPage()!=-1)
-        CurrentSourceView()->replace_forward(content);
-    });
-    auto replace_entry_it=entry_box.entries.begin();
-    replace_entry_it++;
-    replace_entry_it->set_placeholder_text("Replace");
-    replace_entry_it->signal_key_press_event().connect([this, replace_entry_it](GdkEventKey* event){
-      if(event->keyval==GDK_KEY_Return && event->state==GDK_SHIFT_MASK) {
-        if(CurrentPage()!=-1)
-          CurrentSourceView()->replace_backward(replace_entry_it->get_text());
-      }
-      return false;
-    });
-    replace_entry_it->signal_changed().connect([this, replace_entry_it](){
-      last_replace=replace_entry_it->get_text();
-    });
-    
-    entry_box.buttons.emplace_back("Find", [this](){
-      if(CurrentPage()!=-1)
-        CurrentSourceView()->search_forward();
-    });
-    entry_box.buttons.emplace_back("Replace", [this, replace_entry_it](){
-      if(CurrentPage()!=-1)
-        CurrentSourceView()->replace_forward(replace_entry_it->get_text());
-    });
-    entry_box.buttons.emplace_back("Replace all", [this, replace_entry_it](){
-      if(CurrentPage()!=-1)
-        CurrentSourceView()->replace_all(replace_entry_it->get_text());
-    });
-    entry_box.signal_hide().connect([this]() {
-      for(int c=0;c<Pages();c++)
-        source_views.at(c)->view->search_highlight("");
-      search_entry_shown=false;
-    });
-    search_entry_shown=true;
-    entry_box.show();
+    show_search_and_replace();
   });
   menu->action_group->add(Gtk::Action::create("EditCopy", "Copy"), Gtk::AccelKey(menu->key_map["edit_copy"]), [this]() {
     if (Pages() != 0) {
@@ -167,6 +111,103 @@ void Notebook::Controller::CreateKeybindings() {
   INFO("Notebook signal handlers sucsess");
 }
 
+void Notebook::Controller::show_search_and_replace() {
+  entry_box.clear();
+  entry_box.labels.emplace_back();
+  auto label_it=entry_box.labels.begin();
+  label_it->update=[this, label_it](int state, const std::string& message){
+    if(state==0) {
+      int number=stoi(message);
+      if(number<1)
+        label_it->set_text("");
+      else if(number==1)
+        label_it->set_text("1 result found");
+      else
+        label_it->set_text(std::to_string(number)+" results found");
+    }
+  };
+  entry_box.entries.emplace_back(last_search, [this](const std::string& content){
+    if(CurrentPage()!=-1)
+      CurrentSourceView()->search_forward();
+  });
+  auto search_entry_it=entry_box.entries.begin();
+  search_entry_it->set_placeholder_text("Find");
+  if(CurrentPage()!=-1) {
+    CurrentSourceView()->search_highlight(search_entry_it->get_text(), case_sensitive_search, regex_search);
+    label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+  }
+  search_entry_it->signal_key_press_event().connect([this](GdkEventKey* event){
+    if(event->keyval==GDK_KEY_Return && event->state==GDK_SHIFT_MASK) {
+      if(CurrentPage()!=-1)
+        CurrentSourceView()->search_backward();
+    }
+    return false;
+  });
+  search_entry_it->signal_changed().connect([this, search_entry_it, label_it](){
+    last_search=search_entry_it->get_text();
+    if(CurrentPage()!=-1) {
+      CurrentSourceView()->search_highlight(search_entry_it->get_text(), case_sensitive_search, regex_search);
+      label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+    }
+  });
+  
+  entry_box.entries.emplace_back(last_replace, [this, label_it](const std::string &content){
+    if(CurrentPage()!=-1)
+      CurrentSourceView()->replace_forward(content);
+  });
+  auto replace_entry_it=entry_box.entries.begin();
+  replace_entry_it++;
+  replace_entry_it->set_placeholder_text("Replace");
+  replace_entry_it->signal_key_press_event().connect([this, replace_entry_it](GdkEventKey* event){
+    if(event->keyval==GDK_KEY_Return && event->state==GDK_SHIFT_MASK) {
+      if(CurrentPage()!=-1)
+        CurrentSourceView()->replace_backward(replace_entry_it->get_text());
+    }
+    return false;
+  });
+  replace_entry_it->signal_changed().connect([this, replace_entry_it](){
+    last_replace=replace_entry_it->get_text();
+  });
+  
+  entry_box.buttons.emplace_back("Find", [this](){
+    if(CurrentPage()!=-1)
+      CurrentSourceView()->search_forward();
+  });
+  entry_box.buttons.emplace_back("Replace", [this, replace_entry_it](){
+    if(CurrentPage()!=-1)
+      CurrentSourceView()->replace_forward(replace_entry_it->get_text());
+  });
+  entry_box.buttons.emplace_back("Replace all", [this, replace_entry_it, label_it](){
+    if(CurrentPage()!=-1) {
+      CurrentSourceView()->replace_all(replace_entry_it->get_text());
+      label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+    }
+  });
+  entry_box.toggle_buttons.emplace_back("Match case");
+  entry_box.toggle_buttons.back().set_active(case_sensitive_search);
+  entry_box.toggle_buttons.back().on_activate=[this, search_entry_it, label_it](){
+    case_sensitive_search=!case_sensitive_search;
+    if(CurrentPage()!=-1) {
+      CurrentSourceView()->search_highlight(search_entry_it->get_text(), case_sensitive_search, regex_search);
+      label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+    }
+  };
+  entry_box.toggle_buttons.emplace_back("Use regex", [this, search_entry_it, label_it](){
+    regex_search=!regex_search;
+    if(CurrentPage()!=-1) {
+      CurrentSourceView()->search_highlight(search_entry_it->get_text(), case_sensitive_search, regex_search);
+      label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+    }
+  });
+  entry_box.signal_hide().connect([this]() {
+    for(int c=0;c<Pages();c++)
+      source_views.at(c)->view->search_highlight("", case_sensitive_search, regex_search);
+    search_entry_shown=false;
+  });
+  search_entry_shown=true;
+  entry_box.show();
+}
+
 void Notebook::Controller::open_file(std::string path) {
   INFO("Notebook open file");
   INFO("Notebook create page");
@@ -197,6 +238,12 @@ void Notebook::Controller::open_file(std::string path) {
       title+="*";
     view.notebook.set_tab_label_text(*(view.notebook.get_nth_page(CurrentPage())), title);
   });
+  auto this_view=CurrentSourceView();
+  CurrentSourceView()->get_buffer()->signal_end_user_action().connect([this, this_view](){
+    if(this_view==CurrentSourceView() && search_entry_shown && entry_box.labels.size()>0) {
+      entry_box.labels.back().update(0, std::to_string(this_view->get_search_occurences()));
+    }
+  });
 }
 
 void Notebook::Controller::OnCloseCurrentPage() {
diff --git a/juci/notebook.h b/juci/notebook.h
index 7c6b9a8..c236401 100644
--- a/juci/notebook.h
+++ b/juci/notebook.h
@@ -35,10 +35,15 @@ namespace Notebook {
     std::string OnSaveFileAs();
     std::string project_path;
     Directories::Controller directories; //Todo: make private after creating open_directory()
+    
     EntryBox entry_box;
+    void show_search_and_replace();
     std::string last_search;
     std::string last_replace;
+    bool case_sensitive_search=true;
+    bool regex_search=false;
     bool search_entry_shown=false;
+    
     std::vector<std::unique_ptr<Source> > source_views;
   private:
     void CreateKeybindings();
diff --git a/juci/source.cc b/juci/source.cc
index 4ef9d24..a07e5c9 100644
--- a/juci/source.cc
+++ b/juci/source.cc
@@ -74,13 +74,17 @@ Source::View::~View() {
   g_clear_object(&search_settings);
 }
 
-void Source::View::search_highlight(const std::string &text) {
-  if(text.size()>0) {
-    gtk_source_search_settings_set_search_text(search_settings, text.c_str());
-    gtk_source_search_context_set_highlight(search_context, true);
-  }
-  else
-    gtk_source_search_context_set_highlight(search_context, false);
+void Source::View::search_highlight(const std::string &text, bool case_sensitive, bool regex) {
+  gtk_source_search_settings_set_case_sensitive(search_settings, case_sensitive);
+  gtk_source_search_settings_set_regex_enabled(search_settings, regex);
+  gtk_source_search_settings_set_search_text(search_settings, text.c_str());
+  gtk_source_search_context_set_highlight(search_context, true);
+}
+
+int Source::View::get_search_occurences() {
+  while(gtk_events_pending())
+    gtk_main_iteration();
+  return gtk_source_search_context_get_occurrences_count(search_context);
 }
 
 void Source::View::search_forward() {
diff --git a/juci/source.h b/juci/source.h
index cfc955d..1d98f69 100644
--- a/juci/source.h
+++ b/juci/source.h
@@ -50,7 +50,8 @@ public:
     View(const std::string& file_path, const std::string& project_path);
     ~View();
     
-    void search_highlight(const std::string &text);
+    void search_highlight(const std::string &text, bool case_sensitive, bool regex);
+    int get_search_occurences();
     void search_forward();
     void search_backward();
     void replace_forward(const std::string &replacement);