set termion as backend, curses as frontend.

setup for new page turning system to accomodate cursive

.idea/workspace.xml

@@ -15,7 +15,7 @@
     <cargoProject FILE="$PROJECT_DIR$/Cargo.toml" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="81820af5-b0ad-4ac7-a939-e3db68fc7214" name="Changes" comment="Fixed stack underflow bug. Must find more elegant solution later.">
+    <list default="true" id="81820af5-b0ad-4ac7-a939-e3db68fc7214" name="Changes" comment="Created initial display">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/Cargo.toml" beforeDir="false" afterPath="$PROJECT_DIR$/Cargo.toml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main.rs" beforeDir="false" afterPath="$PROJECT_DIR$/src/main.rs" afterDir="false" />
@@ -47,28 +47,28 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
+  <component name="PropertiesComponent">{
-  "keyToString": {
+  &quot;keyToString&quot;: {
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
-    "RunOnceActivity.ShowReadmeOnStart": "true",
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    "RunOnceActivity.cidr.known.project.marker": "true",
+    &quot;RunOnceActivity.cidr.known.project.marker&quot;: &quot;true&quot;,
-    "WebServerToolWindowFactoryState": "false",
+    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
-    "cf.first.check.clang-format": "false",
+    &quot;cf.first.check.clang-format&quot;: &quot;false&quot;,
-    "cidr.known.project.marker": "true",
+    &quot;cidr.known.project.marker&quot;: &quot;true&quot;,
-    "git-widget-placeholder": "master",
+    &quot;git-widget-placeholder&quot;: &quot;master&quot;,
-    "ignore.virus.scanning.warn.message": "true",
+    &quot;ignore.virus.scanning.warn.message&quot;: &quot;true&quot;,
-    "last_opened_file_path": "/home/dan/CLionProjects/bibliofile",
+    &quot;last_opened_file_path&quot;: &quot;/home/dan/CLionProjects/bibliofile&quot;,
-    "node.js.detected.package.eslint": "true",
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
-    "node.js.detected.package.tslint": "true",
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
-    "node.js.selected.package.eslint": "(autodetect)",
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
-    "node.js.selected.package.tslint": "(autodetect)",
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
-    "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true",
+    &quot;org.rust.cargo.project.model.PROJECT_DISCOVERY&quot;: &quot;true&quot;,
-    "org.rust.disableDetachedFileInspectionD:/bibliofile/src/html_module.rs": "true",
+    &quot;org.rust.disableDetachedFileInspectionD:/bibliofile/src/html_module.rs&quot;: &quot;true&quot;,
-    "org.rust.disableDetachedFileInspectionD:/bibliofile/src/main.rs": "true",
+    &quot;org.rust.disableDetachedFileInspectionD:/bibliofile/src/main.rs&quot;: &quot;true&quot;,
-    "settings.editor.selected.configurable": "language.rust",
+    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.pluginManager&quot;,
-    "vue.rearranger.settings.migration": "true"
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
-}]]></component>
+}</component>
   <component name="RunManager" selected="Cargo.Run">
     <configuration name="Check" type="CargoCommandRunConfiguration" factoryName="Cargo Command" nameIsGenerated="true">
       <option name="command" value="check" />
@@ -88,7 +88,7 @@
       </method>
     </configuration>
     <configuration name="Run" type="CargoCommandRunConfiguration" factoryName="Cargo Command" nameIsGenerated="true">
-      <option name="command" value="run pg2680.epub" />
+      <option name="command" value="run pg345-images.epub" />
       <option name="workingDirectory" value="file://$PROJECT_DIR$" />
       <option name="emulateTerminal" value="false" />
       <option name="channel" value="DEFAULT" />
@@ -104,6 +104,10 @@
         <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
       </method>
     </configuration>
+    <list>
+      <item itemvalue="Cargo.Check" />
+      <item itemvalue="Cargo.Run" />
+    </list>
   </component>
   <component name="RustProjectSettings">
     <option name="toolchainHomeDirectory" value="$USER_HOME$/.cargo/bin" />
@@ -127,7 +131,12 @@
       <workItem from="1693679597473" duration="599000" />
       <workItem from="1693680405017" duration="7265000" />
       <workItem from="1693876306734" duration="49000" />
-      <workItem from="1697324576800" duration="1175000" />
+      <workItem from="1697324576800" duration="3431000" />
+      <workItem from="1697328049119" duration="41000" />
+      <workItem from="1697328171250" duration="85000" />
+      <workItem from="1697328270424" duration="59000" />
+      <workItem from="1697328349082" duration="212000" />
+      <workItem from="1697328580563" duration="9760000" />
     </task>
     <task id="LOCAL-00001" summary="Commit to scraper_framework branch&#10;&#10; - changing framework from Soup to Scraper&#10; - removed ncurses library. Will use different library instead.">
       <created>1687972565061</created>
@@ -164,7 +173,14 @@
       <option name="project" value="LOCAL" />
       <updated>1693686989198</updated>
     </task>
-    <option name="localTasksCounter" value="6" />
+    <task id="LOCAL-00006" summary="Created initial display">
+      <created>1697325795094</created>
+      <option name="number" value="00006" />
+      <option name="presentableId" value="LOCAL-00006" />
+      <option name="project" value="LOCAL" />
+      <updated>1697325795094</updated>
+    </task>
+    <option name="localTasksCounter" value="7" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -198,7 +214,8 @@
     <MESSAGE value="- Can now format HTML&#10;- No longer returns to main.rs. Main function in html_module.rs now reads to console locally." />
     <MESSAGE value=" - Full Terminal Size now used&#10; - Still working on getting newlines working" />
     <MESSAGE value="Fixed stack underflow bug. Must find more elegant solution later." />
-    <option name="LAST_COMMIT_MESSAGE" value="Fixed stack underflow bug. Must find more elegant solution later." />
+    <MESSAGE value="Created initial display" />
+    <option name="LAST_COMMIT_MESSAGE" value="Created initial display" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />

Cargo.toml

@@ -6,7 +6,11 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-cursive = "0.20.0"
 epub = "2.0.0"
 scraper = "*"
 
+
+[dependencies.cursive]
+version = "*"
+default-features = false
+features = ["termion-backend"]

src/main.rs

@@ -2,19 +2,17 @@
 Program: Bibliofile
 Language: Rustc 1.71.0
 ide: CLion
-Operating system: Fedora 38/WSL
+Operating system: POP_OS
 Purpose: TUI-based ereader and library manager for Linux terminal environments.
-Last edited: 7/27/23
+Last edited: 10/14/23
 */
 
-
 mod html_module;
-
+use cursive::views::{Dialog, TextView};
 use epub::doc::EpubDoc; //library for navigating epubs
 use std::*;
+use std::i32;
 use std::path::Path;
-use std::process::exit;
-use cursive::views::{Dialog, TextView};
 
 
 //this function will determine if Bibliofile has been opened before. If it has not, it will create a library folder under /opt/bibliofile.
@@ -35,39 +33,87 @@ fn library_exists(){
 fn main() {
     //library_exists();
     if env::args().len() == 1 {
-        println!("you need to enter a book. Closing program.");
+        println!("You need to enter a book! \n\
+        context: bibliofile book.epub\n\
+        Closing program.");
     }
     else {
         let args: Vec<String> = env::args().collect();
         let filename = &args[1];
 
-        epub_func(filename);
+        screen_func(filename);
     }
 }
 
 
-//parses epub files
+//this function manages the screen
-fn epub_func(epub_file: &str){
+fn screen_func(epub_file: &str){
+    let mut page_num = 1;
+    let textinfo = get_text(epub_file, &page_num, "next");
+    let text = textinfo.0;
+    let title = textinfo.1;
+    page_num = textinfo.2;
+    // Creates the cursive root - required for every application.
+    let mut siv = cursive::default();
 
+    // Creates a dialog with a single "Quit" button
+    siv.add_layer(Dialog::around(TextView::new(text))
+        .title(title)
+        .button("Quit", |s| s.quit()));
+
+    // Starts the event loop.
+    siv.run();
+
+
+
+
+}
+
+
+
+
+
+fn get_text(epub_file: &str, mut page_num: &i32, direction: &str) -> (String, String, i32){
     let doc = EpubDoc::new(&epub_file);
     assert!(doc.is_ok());
     let mut doc = doc.unwrap();
+    let mut usize_num = *page_num as usize;
+    if direction == "next" {
+        usize_num = usize_num + 1;
+        let title = doc.mdata("title");
 
-    let mut page_num = 1;
+        doc.set_current_page(usize_num);
+        let content = doc.get_current_str();
+        let str_content = content.unwrap();
+        let text = html_module::main(str_content.0);
+
+        return (text, title.unwrap(), usize_num as i32);
+    }
+
+    else if direction == "last" {
+        usize_num = usize_num - 1;
+        let title = doc.mdata("title");
+
+        doc.set_current_page(usize_num);
+        let content = doc.get_current_str();
+        let str_content = content.unwrap();
+        let text = html_module::main(str_content.0);
+
+        return (text, title.unwrap(), usize_num as i32);
+    }
+    else {
+        let title = doc.mdata("title");
+
+        doc.set_current_page(usize_num);
+        let content = doc.get_current_str();
+        let str_content = content.unwrap();
+        let text = html_module::main(str_content.0);
+
+        return (text, title.unwrap(), usize_num as i32);
+    }
+
+}
 
 
-    let title = doc.mdata("title");
 
-            doc.set_current_page(1);
-            page_num = 1;
-            let content = doc.get_current_str();
-            let str_content = content.unwrap();
-            let text = html_module::main(str_content.0);
 
-            let mut siv = cursive::default();
-    siv.add_layer(Dialog::around(TextView::new(text))
-        .title(title.unwrap())
-        .button("Quit", |s| s.quit()));
-    siv.run();
-
-}