adds a delete_all_highlights

pdf_viewer/database.cpp

@@ -941,6 +941,20 @@ bool DatabaseManager::delete_highlight(const std::string& uuid) {
         error_message);
 }
 
+bool DatabaseManager::delete_all_current_doc_highlights(const std::string& doc_checksum) {
+    std::wstringstream ss;
+    std::wstring threshold = QString::number(HIGHLIGHT_DELETE_THRESHOLD).toStdWString();
+    ss << "DELETE FROM highlights where document_path='" << esc(doc_checksum) << "';";
+
+    char* error_message = nullptr;
+
+    int error_code = sqlite3_exec(global_db, utf8_encode(ss.str()).c_str(), null_callback, 0, &error_message);
+    return handle_error(
+        "delete_all_current_doc_highlights",
+        error_code,
+        error_message);
+}
+
 bool DatabaseManager::update_mark(const std::string& document_path, char symbol, float offset_y, std::optional<float> offset_x, std::optional<float> zoom_level) {
 
     std::wstringstream ss;

pdf_viewer/database.h

@@ -72,6 +72,7 @@ class DatabaseManager {
     bool select_global_mark(char symbol, std::vector<std::pair<std::string, float>>& out_result);
     bool delete_opened_book(const std::string& book_path);
     bool delete_highlight(const std::string& uuid);
+    bool delete_all_current_doc_highlights(const std::string& doc_checksum);
     bool select_highlight(const std::string& checksum, std::vector<Highlight>& out_result);
     bool select_highlight_with_type(const std::string& checksum, char type, std::vector<Highlight>& out_result);
     bool set_actual_document_name(const std::string& checksum, const std::wstring& actual_name);

pdf_viewer/document.cpp

@@ -296,7 +296,6 @@ void Document::fill_highlight_rects(fz_context* ctx, fz_document* doc_) {
     }
 }
 
-
 std::string Document::add_highlight(const std::wstring& annot, AbsoluteDocumentPos selection_begin, AbsoluteDocumentPos selection_end, char type) {
     std::deque<AbsoluteRect> selected_characters;
     std::vector<AbsoluteRect> merged_rects;
@@ -492,6 +491,14 @@ void Document::delete_highlight(Highlight hl) {
     }
 }
 
+void Document::clear_all_current_document_highlights() {
+    if (user_confirms_to_prompt(L"This will remove all the highlights in this document. Do you wish to proceed?")) {
+        db_manager->delete_all_current_doc_highlights(get_checksum());
+        highlights.clear();
+        is_annotations_dirty = true;
+    }
+}
+
 std::optional<Portal> Document::find_closest_portal(float to_offset_y, int* index) {
     int min_index = argminf<Portal>(portals, [to_offset_y](Portal l) {
         return abs(l.src_offset_y - to_offset_y);

pdf_viewer/document.h

@@ -192,6 +192,8 @@ class Document {
     void delete_highlight_with_index(int index);
     void delete_bookmark_with_index(int index);
     void delete_highlight(Highlight hl);
+    void delete_all_current_doc_highlights();
+    void clear_all_current_document_highlights();
     int get_bookmark_index_at_pos(AbsoluteDocumentPos abspos);
     int get_portal_index_at_pos(AbsoluteDocumentPos abspos);
     bool should_render_pdf_annotations();

pdf_viewer/document_view.cpp

@@ -245,6 +245,11 @@ void DocumentView::delete_highlight(Highlight hl) {
     current_document->delete_highlight(hl);
 }
 
+// void DocumentView::delete_all_current_doc_highlights() {
+//     current_document->delete_all_current_doc_highlights();
+// }
+
+
 void DocumentView::delete_closest_bookmark_to_offset(float offset) {
     current_document->delete_closest_bookmark(offset);
 }

pdf_viewer/main_widget.cpp

@@ -6211,6 +6211,10 @@ void MainWidget::handle_toggle_typing_mode() {
     }
 }
 
+void MainWidget::handle_clear_all_current_document_highlights() {
+    doc()->clear_all_current_document_highlights();
+}
+
 void MainWidget::handle_delete_highlight_under_cursor() {
     QPoint mouse_pos = mapFromGlobal(cursor_pos());
     WindowPos window_pos = WindowPos{ mouse_pos.x(), mouse_pos.y() };

pdf_viewer/main_widget.h

@@ -628,6 +628,7 @@ class MainWidget : public QMainWindow {
     void handle_overview_to_portal();
     void handle_toggle_typing_mode();
     void handle_delete_highlight_under_cursor();
+    void handle_clear_all_current_document_highlights();
     void handle_delete_selected_highlight();
     void handle_delete_selected_bookmark();
     void handle_start_reading();

pdf_viewer/utils.cpp

@@ -328,6 +328,17 @@ void show_error_message(const std::wstring& error_message) {
     msgBox.exec();
 }
 
+bool user_confirms_to_prompt(const std::wstring& prompt_message) {
+    QMessageBox msgBox;
+    int choice;
+    msgBox.setText(QString::fromStdWString(prompt_message));
+    msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+    msgBox.setDefaultButton(QMessageBox::Ok);
+    choice = msgBox.exec();
+    return (choice == QMessageBox::Ok);
+}
+
+
 std::wstring utf8_decode(const std::string& encoded_str) {
     std::wstring res;
     utf8::utf8to32(encoded_str.begin(), encoded_str.end(), std::back_inserter(res));

pdf_viewer/utils.h

@@ -61,6 +61,7 @@ void copy_to_clipboard(const std::wstring& text, bool selection = false);
 void install_app(const char* argv0);
 int get_f_key(std::wstring name);
 void show_error_message(const std::wstring& error_message);
+bool user_confirms_to_prompt(const std::wstring& prompt_message);
 std::wstring utf8_decode(const std::string& encoded_str);
 std::string utf8_encode(const std::wstring& decoded_str);
 // is the character a right to left character