fix some small typos

TODO.md

@@ -10,6 +10,7 @@
   - See whether it even exists at all
 - [ ] Finish cleaning up GTK4 version
 - [ ] Think about best way of having GTK4 version alongside
+- [ ] Shortcut to resize window
 
 # Previously done
 

config.h

@@ -1,22 +1,23 @@
 #include <stdbool.h>
-// #include <gdk/gdk.h> // <gdk/gdkenums.h>, <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
-// #include "/usr/include/gtk-4.0/gtk/gtk.h"
 
-// Key user config
-#define WIDTH 1920 // 960 for half-width, 1920 for full width
-#define HEIGHT_GTK3 990 // GTK4 and GTK3 interpret this differently. In GTK4, this includes the height of the top bar
-#define HEIGHT_GTK4 1080 // GTK4 and GTK3 interpret this differently. In GTK4, this includes the height of the top bar
-#define BAR_SIZE 960
+/* Key user config */
+#define HEIGHT      1080 
+#define FULL_WIDTH  1920
+#define WIDTH       FULL_WIDTH
+#define BAR_WIDTH   FULL_WIDTH/2
 
-// More user config
-#define ZOOM_START_LEVEL 2
+/* More user config */
+#define ZOOM_START_LEVEL 1.8
 #define ZOOM_STEPSIZE .1 
-#define MAX_NUM_TABS 8 // 0/false for unlimited tabs
-#define SEARCH "https://search.brave.com/search?q=%s" // "https://search.nunosempere.com/search?q=%s", "https://lite.duckduckgo.com/html/?q=%s" 
-#define HOME "https://search.brave.com/search"  // "file:///opt/rose/homepage.png", ""
+#define MAX_NUM_TABS 8 // 0 or false for unlimited tabs
+#define SEARCH "https://search.brave.com/search?q=%s" 
+#define HOME "https://search.brave.com/search" 
+// #define SEARCH "https://search.nunosempere.com/search?q=%s"
+// #define SEARCH "https://lite.duckduckgo.com/html/?q=%s" 
+// #define HOME "file:///opt/rosenrot/flower-imgs/rose-homepage.png" 
 
-// Plugins
+/* Plugins */
 #define LIBRE_REDIRECT_ENABLED true
 #define READABILITY_ENABLED true
 #define CUSTOM_USER_AGENT false
@@ -26,33 +27,45 @@ To disable plugins:
 2. recompile 
 
 To remove plugins completely;
-1. Remove the corresponding code in rosenrot.c by looking for the variables above.
+1. Remove the corresponding code in rosenrot.c by looking for the variables above, as well as custom_style_enabled
 2. Remove PLUGIN and $(PLUGIN) from the makefile
 3. Recompile
 
 You could also look into commit afe93518a for an approach using stand-in code.
 */
 
-// Webkit settings
+/* Webkit */
 // https://webkitgtk.org/reference/webkit2gtk/stable/class.Settings.html 
 #define WEBKIT_DEFAULT_SETTINGS \
-	"enable-back-forward-navigation-gestures", true, "enable-developer-extras", true, \
+	"enable-back-forward-navigation-gestures", true, \
+	"enable-developer-extras", true, \
 	"enable-smooth-scrolling", false, \
     "default-charset", "utf-8"
 #define DATA_DIR "/home/nuno/.cache/rosenrot"
 #define DATA_MANAGER_OPTS "base-cache-directory", DATA_DIR, "base-data-directory", DATA_DIR
 #define NETWORK_SESSION_OPTS DATA_DIR, DATA_DIR
 
-// GTK 
-#define GTK_SETTINGS_CONFIG_H "gtk-application-prefer-dark-theme", false, "gtk-enable-animations", false
+/* GTK  */
 // https://gitlab.gnome.org/GNOME/gtk/-/blob/main/gdk/gdkkeysyms.h
-#define KEY(x) GDK_KEY_##x
 // https://gitlab.gnome.org/GNOME/gtk/-/blob/main/gdk/gdkenums.h
+#define GTK_SETTINGS_CONFIG_H "gtk-application-prefer-dark-theme", false, "gtk-enable-animations", false
+#define KEY(x) GDK_KEY_##x
 #define SFT  1 << 0 
 #define CTRL 1 << 2
 #define ALT  1 << 3
 
-// Shortcuts
+/* Misc helpers */
+#define ABORT_REQUEST_ON_CURRENT_TAB NULL
+#define NULLCHECK(x)                                   \
+    do {                                               \
+        if (x == NULL) {                               \
+            printf("\nNULL check not passed");         \
+            printf("@ %s (%d): ", __FILE__, __LINE__); \
+            exit(0);                                   \
+        }                                              \
+    } while (0)
+
+/* Shortcuts */
 typedef enum {
     goback,
     goforward,
@@ -80,6 +93,9 @@ typedef enum {
     finder_next,
     finder_prev,
 
+    halve_window,
+    rebig_window,
+
     prettify,
 } func;
 
@@ -103,10 +119,11 @@ static struct {
     { CTRL,        KEY(minus),         zoomout              },
     { CTRL,        KEY(0),             zoom_reset           },
 
-    { CTRL,        KEY(KP_Page_Up),    prev_tab             }, 
-    { CTRL,        KEY(KP_Page_Down),  next_tab             }, 
-    { CTRL,        KEY(Page_Up),       prev_tab             }, // working hypothesis: Page_UP vs KP_Page_Up might depend on whether the user has a numpad
-    { CTRL,        KEY(Page_Down),     next_tab             }, 
+    { CTRL | SFT,  KEY(KP_Page_Up),    prev_tab             },  // use SFT just to show one can
+    { CTRL | SFT,  KEY(KP_Page_Down),  next_tab             }, 
+    { CTRL | SFT,  KEY(Page_Up),       prev_tab             }, 
+    // working hypothesis: Page_UP vs KP_Page_Up might depend on whether the user has a numpad
+    { CTRL | SFT,  KEY(Page_Down),     next_tab             }, 
     { CTRL,        KEY(t),             new_tab              },
     { CTRL,        KEY(w),             close_tab            },
 
@@ -115,28 +132,7 @@ static struct {
     { CTRL,        KEY(f),             show_finder          },
     { CTRL,        KEY(n),             finder_next          },
     { CTRL,        KEY(N),             finder_prev          },
-
+    { CTRL,        KEY(Left),          halve_window         },
+    { CTRL,        KEY(Right),         rebig_window         },
     { CTRL,        KEY(p),             prettify             }
 };
-
-/* Old controls: {
-    { CTRL,	       KEY(h),     goback            },
-    { CTRL,	       KEY(l),     goforward         },
-    { CTRL,	       KEY(r),     refresh	         },
-    { CTRL | SFT,  KEY(R),     refresh_force     },
-    { CTRL | SFT,  KEY(H),     back_to_home      },
-    { CTRL,	       KEY(equal), zoomin	           },
-    { CTRL,	       KEY(minus), zoomout	         },
-    { CTRL,	       KEY(0),     zoom_reset	       },
-    { ALT,	       KEY(h),     prev_tab	         },
-    { CTRL,        KEY(k),     hide_searchbar    },
-    { ALT,	       KEY(l),     next_tab	         },
-    { CTRL,	       KEY(w),     close_tab	       },
-    { 0x0,	       KEY(F11),   toggle_fullscreen },
-    { CTRL,	       KEY(e),     show_searchbar	   },
-    { CTRL,	       KEY(f),     show_finder       },
-    { CTRL,	       KEY(n),     finder_next       },
-    { CTRL | SFT,  KEY(N),     finder_prev	     },
-    { CTRL,        KEY(p),     prettify          }
-};
-*/

plugins/style/style.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#define STYLE_N 7877 + 1000
+#define STYLE_N 8049 + 1000
 
 void read_style_js(char* string)
 {

plugins/style/style.h

@@ -1,5 +1,5 @@
 #pragma once
 
-#define STYLE_N 7877 + 1000
+#define STYLE_N 8049 + 1000
 
 void read_style_js(char* string);

plugins/style/style.js

@@ -6,8 +6,8 @@
 var styles = null;
 // console.log(document.domain);
 switch (document.domain) {
-	case "forum.effectivealtruism.org":
-		styles = `
+  case "forum.effectivealtruism.org":
+    styles = `
     /*
 	    .Layout-main {
         margin-left: 100px;
@@ -25,16 +25,16 @@ switch (document.domain) {
       }
     */
     `;
-		break;
-	case "nationstates.net":
-		styles = `
+    break;
+  case "nationstates.net":
+    styles = `
       .adidentifier {
         display: none;
       }
     `;
-		break;
-	case "mail.proton.me":
-		styles = `
+    break;
+  case "mail.proton.me":
+    styles = `
 	  /*
       .item-container-row.read, .item-container.read {
 		      background-color: white;
@@ -48,24 +48,24 @@ switch (document.domain) {
       zoom: 0.625 !important;
 	  */
 	  `;
-		break;
-	case "forum.nunosempere.com":
-		styles = `
+    break;
+  case "forum.nunosempere.com":
+    styles = `
       body {
        zoom: 0.625 !important;
       }
     `;
-		break;
-	case "search.brave.com":
-		styles = `
+    break;
+  case "search.brave.com":
+    styles = `
       .download-button,
       a[href^="https://brave.com/download/"] {
         display: none !important; 
       }
     `;
-		break;
-	case "search.nunosempere.com":
-		styles = `
+    break;
+  case "search.nunosempere.com":
+    styles = `
     /* 
       body {
         zoom: 1.8;
@@ -76,11 +76,11 @@ switch (document.domain) {
         display: none;
       }
     `;
-		break;
-	case "reddit.com":
-	// fallthrough
-	case "old.reddit.com":
-		styles = `
+    break;
+  case "reddit.com":
+  // fallthrough
+  case "old.reddit.com":
+    styles = `
 	    /* kill sidebar ads */
 	    .ad-container,
 	    a[href^="https://alb.reddit.com"]
@@ -98,10 +98,10 @@ switch (document.domain) {
 		    display: none !important;
 	    }
 	  `;
-		break;
-	case "twitter.com":
-	case "x.com":
-		styles = `
+    break;
+  case "twitter.com":
+  case "x.com":
+    styles = `
 	    /* hide promoted tweets */
 	    :has(meta[property="og:site_name"][content="Twitter"])
 		    [data-testid="cellInnerDiv"]:has(svg + [dir="auto"]) {
@@ -182,25 +182,25 @@ switch (document.domain) {
         background: white !important;
       }
     `;
-		break;
-	default:
-		console.log(`Domain: ${document.domain}`);
-		console.log("No custom style");
+    break;
+  default:
+    console.log(`Domain: ${document.domain}`);
+    console.log("No custom style");
 }
 
 if (styles != null) {
-	var styleSheet = document.createElement("style");
-	styleSheet.innerText = styles;
-	document.head.appendChild(styleSheet);
-	console.log("Style changed");
+  var styleSheet = document.createElement("style");
+  styleSheet.innerText = styles;
+  document.head.appendChild(styleSheet);
+  console.log("Style changed");
 }
 
 // Extra: Replace default alert with new function
 // whose style can be changed!
 window.alert = (message) => {
-	let alertDiv = document.getElementById("customAlert");
-	if (!alertDiv) {
-		const html = `
+  let alertDiv = document.getElementById("customAlert");
+  if (!alertDiv) {
+    const html = `
       <div id="customAlert" class="custom-alert">
           <div class="custom-alert-content">
               <p id="alertMessage"></p>
@@ -232,68 +232,68 @@ window.alert = (message) => {
           }
       </style>
     `;
-		document.body.insertAdjacentHTML("beforeend", html);
-		alertDiv = document.getElementById("customAlert");
-		document.getElementById("alertOkButton").onclick = () => {
-			alertDiv.classList.remove("visible");
-			document.removeEventListener("keydown", dismissAlert);
-		};
-	}
+    document.body.insertAdjacentHTML("beforeend", html);
+    alertDiv = document.getElementById("customAlert");
+    document.getElementById("alertOkButton").onclick = () => {
+      alertDiv.classList.remove("visible");
+      document.removeEventListener("keydown", dismissAlert);
+    };
+  }
 
-	const dismissAlert = (event) => {
-		if (
-			event.key === "Enter" /*&& event.ctrlKey*/ &&
-			alertDiv.classList.contains("visible")
-		) {
-			alertDiv.classList.remove("visible");
-			document.removeEventListener("keydown", dismissAlert);
-		}
-	};
+  const dismissAlert = (event) => {
+    if (
+      event.key === "Enter" /*&& event.ctrlKey*/ &&
+      alertDiv.classList.contains("visible")
+    ) {
+      alertDiv.classList.remove("visible");
+      document.removeEventListener("keydown", dismissAlert);
+    }
+  };
 
-	document.addEventListener("keydown", dismissAlert);
-	document.getElementById("alertMessage").textContent = message;
-	alertDiv.classList.add("visible");
+  document.addEventListener("keydown", dismissAlert);
+  document.getElementById("alertMessage").textContent = message;
+  alertDiv.classList.add("visible");
 };
 
 // Extra: hide video players on twitter
 if (document.domain == "twitter.com" || document.domain == "x.com") {
-	// Function to hide the grandparent of video players
-	// takes 0.014ms to run, so performance is not the concern here.
-	// timed with console.time, console.timeEnd
+  // Function to hide the grandparent of video players
+  // takes 0.014ms to run, so performance is not the concern here.
+  // timed with console.time, console.timeEnd
 
-	function hideVideoPlayerGrandparent() {
-		document
-			.querySelectorAll('[data-testid="videoPlayer"]')
-			.forEach(function (videoPlayer) {
-				var grandparentElement =
-					videoPlayer.parentElement.parentElement.parentElement.parentElement
-						.parentElement.parentElement;
-				var newTextElement = document.createElement("div");
-				newTextElement.textContent = " [ twitter video ] ";
-				newTextElement.style["margin-top"] = "10px";
-				newTextElement.style["margin-left"] = "10px";
-				newTextElement.style["margin-bottom"] = "10px";
-				grandparentElement.replaceWith(newTextElement);
-			});
-	}
+  function hideVideoPlayerGrandparent() {
+    document
+      .querySelectorAll('[data-testid="videoPlayer"]')
+      .forEach(function (videoPlayer) {
+        var grandparentElement =
+          videoPlayer.parentElement.parentElement.parentElement.parentElement
+            .parentElement.parentElement;
+        var newTextElement = document.createElement("div");
+        newTextElement.textContent = " [ twitter video ] ";
+        newTextElement.style["margin-top"] = "10px";
+        newTextElement.style["margin-left"] = "10px";
+        newTextElement.style["margin-bottom"] = "10px";
+        grandparentElement.replaceWith(newTextElement);
+      });
+  }
 
-	// Create a new MutationObserver instance
-	var observer = new MutationObserver(function (mutations) {
-		mutations.forEach(function (mutation) {
-			if (mutation.addedNodes.length) {
-				hideVideoPlayerGrandparent(); // Call the function to hide video players
-			}
-		});
-	});
+  // Create a new MutationObserver instance
+  var observer = new MutationObserver(function (mutations) {
+    mutations.forEach(function (mutation) {
+      if (mutation.addedNodes.length) {
+        hideVideoPlayerGrandparent(); // Call the function to hide video players
+      }
+    });
+  });
 
-	// Options for the observer (which mutations to observe)
-	var config = { childList: true, subtree: true };
+  // Options for the observer (which mutations to observe)
+  var config = { childList: true, subtree: true };
 
-	// Start observing the target node for configured mutations
-	observer.observe(document.body, config);
+  // Start observing the target node for configured mutations
+  observer.observe(document.body, config);
 
-	// Call the function initially to hide any video players on initial load
-	hideVideoPlayerGrandparent();
+  // Call the function initially to hide any video players on initial load
+  hideVideoPlayerGrandparent();
 }
 
 // document.body.style.visibility = "visible";

rosenrot3.c

@@ -1,12 +1,12 @@
 #include <gdk/gdk.h>
 #include <stdlib.h>
 #include <string.h>
+#include <webkit2/webkit2.h>
 
 #include "config.h"
-#include <webkit2/webkit2.h>
 #include "plugins/plugins.h"
 
-/* Global declarations */
+/* Global variables */
 static GtkNotebook* notebook;
 static GtkWindow* window;
 typedef enum { _SEARCH, _FIND, _HIDDEN } Bar_entry_mode;
@@ -32,30 +32,40 @@ WebKitWebView* notebook_get_webview(GtkNotebook* notebook)
 /* Load content*/
 void load_uri(WebKitWebView* view, const char* uri)
 {
-    if (strlen(uri) == 0) {
+    bool is_empty_uri = (strlen(uri) == 0);
+    if (is_empty_uri) {
         webkit_web_view_load_uri(view, "");
         toggle_bar(notebook, _SEARCH);
-    } else if (g_str_has_prefix(uri, "http://") || g_str_has_prefix(uri, "https://") || g_str_has_prefix(uri, "file://") || g_str_has_prefix(uri, "about:")) {
+        return; 
+    } 
+
+    bool has_direct_uri_prefix = g_str_has_prefix(uri, "http://") || g_str_has_prefix(uri, "https://") || g_str_has_prefix(uri, "file://") || g_str_has_prefix(uri, "about:");
+    if (has_direct_uri_prefix){
         webkit_web_view_load_uri(view, uri);
-    } else if (strstr(uri, ".com") || strstr(uri, ".org")) {
+        return;
+    } 
+
+    bool has_common_domain_extension = (strstr(uri, ".com") || strstr(uri, ".org"));
+    if (has_common_domain_extension){
         char tmp[strlen("https://") + strlen(uri) + 1];
         snprintf(tmp, sizeof(tmp) + 1, "https://%s", uri);
         webkit_web_view_load_uri(view, tmp);
-    } else {
-        // Check for shortcuts
-        int l = SHORTCUT_N + strlen(uri) + 1;
-        char uri_expanded[l];
-        str_init(uri_expanded, l);
-        int check = shortcut_expand(uri, uri_expanded);
-        if (check == 2) {
-            webkit_web_view_load_uri(view, uri_expanded);
-        } else {
-            // Feed into search engine.
-            char tmp[strlen(uri) + strlen(SEARCH)];
-            snprintf(tmp, sizeof(tmp), SEARCH, uri);
-            webkit_web_view_load_uri(view, tmp);
-        }
+        return; 
     } 
+
+    int l = SHORTCUT_N + strlen(uri) + 1;
+    char uri_expanded[l];
+    str_init(uri_expanded, l);
+    int check = shortcut_expand(uri, uri_expanded);
+    bool has_shortcut = (check == 2);
+    if (has_shortcut){
+        webkit_web_view_load_uri(view, uri_expanded);
+        return;
+    } 
+
+    char tmp[strlen(uri) + strlen(SEARCH)];
+    snprintf(tmp, sizeof(tmp), SEARCH, uri);
+    webkit_web_view_load_uri(view, tmp);
 }
 
 /* Deal with new load or changed load */
@@ -111,7 +121,35 @@ void handle_signal_load_changed(WebKitWebView* self, WebKitLoadEvent load_event,
     }
 }
 
-/* Create new tabs */
+/* New tabs */
+WebKitWebView* create_new_webview()
+{
+    char* style;
+
+    WebKitSettings* settings = webkit_settings_new_with_settings(WEBKIT_DEFAULT_SETTINGS, NULL);
+    if (CUSTOM_USER_AGENT) {
+        webkit_settings_set_user_agent(
+            settings,
+            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, "
+            "like Gecko) Chrome/120.0.0.0 Safari/537.3");
+            // https://www.useragents.me
+    }
+    WebKitWebContext* web_context = webkit_web_context_new_with_website_data_manager(webkit_website_data_manager_new(DATA_MANAGER_OPTS, NULL));
+    WebKitUserContentManager* contentmanager = webkit_user_content_manager_new();
+
+    WebKitCookieManager* cookiemanager = webkit_web_context_get_cookie_manager(web_context);
+    webkit_cookie_manager_set_persistent_storage(cookiemanager, DATA_DIR "/cookies.sqlite", WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE);
+    webkit_cookie_manager_set_accept_policy(cookiemanager, WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS);
+
+    if (g_file_get_contents("~/opt/rosenrot/style.css", &style, NULL, NULL)) {
+        webkit_user_content_manager_add_style_sheet(
+            contentmanager, webkit_user_style_sheet_new(style, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, NULL, NULL));
+    }
+
+    WebKitWebView* view = g_object_new(WEBKIT_TYPE_WEB_VIEW, "settings", settings, "web-context", web_context, "user-content-manager", contentmanager, NULL);
+
+    return view;
+}
 GtkWidget* handle_signal_create_new_tab(WebKitWebView* self,
     WebKitNavigationAction* navigation_action,
     GtkNotebook* notebook)
@@ -125,46 +163,9 @@ GtkWidget* handle_signal_create_new_tab(WebKitWebView* self,
     } else {
         webkit_web_view_evaluate_javascript(self, "alert('Too many tabs, not opening a new one')", -1, NULL, "rosenrot-alert-numtabs", NULL, NULL, NULL);
     }
-    return NULL;
-    /*
-     WebKitGTK documentation recommends returning the new webview.
-     I imagine that this might allow e.g., to go back in a new tab
-     or generally to keep track of history.
-     However, this would require either modifying notebook_create_new_tab
-     or duplicating its contents, for unclear gain.
-   */
+    return ABORT_REQUEST_ON_CURRENT_TAB;
 }
-WebKitWebView* create_new_webview()
-{
-    char* style;
-    WebKitSettings* settings;
-    WebKitWebContext* web_context;
-    WebKitCookieManager* cookiemanager;
-    WebKitUserContentManager* contentmanager;
 
-    settings = webkit_settings_new_with_settings(WEBKIT_DEFAULT_SETTINGS, NULL);
-    if (CUSTOM_USER_AGENT) {
-        webkit_settings_set_user_agent(
-            settings,
-            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, "
-            "like Gecko) Chrome/120.0.0.0 Safari/537.3");
-        // https://www.useragents.me
-    }
-    web_context = webkit_web_context_new_with_website_data_manager(webkit_website_data_manager_new(DATA_MANAGER_OPTS, NULL));
-    contentmanager = webkit_user_content_manager_new();
-    cookiemanager = webkit_web_context_get_cookie_manager(web_context);
-
-    webkit_cookie_manager_set_persistent_storage(cookiemanager, DATA_DIR "/cookies.sqlite", WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE);
-
-    webkit_cookie_manager_set_accept_policy(cookiemanager, WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS);
-
-    if (g_file_get_contents("~/opt/rosenrot/style.css", &style, NULL, NULL)) {
-        webkit_user_content_manager_add_style_sheet(
-            contentmanager, webkit_user_style_sheet_new(style, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, NULL, NULL));
-    }
-
-    return g_object_new(WEBKIT_TYPE_WEB_VIEW, "settings", settings, "web-context", web_context, "user-content-manager", contentmanager, NULL);
-}
 void notebook_create_new_tab(GtkNotebook* notebook, const char* uri)
 {
     if (num_tabs < MAX_NUM_TABS || MAX_NUM_TABS == 0) {
@@ -236,8 +237,7 @@ void handle_signal_bar_press_enter(GtkEntry* self, GtkNotebook* notebook)
     gtk_widget_hide(GTK_WIDGET(bar.widget));
 }
 
-/* Handle shortcuts */
-// Act when a particular shortcut is detected
+/* Shortcuts */
 int handle_shortcut(func id, GtkNotebook* notebook)
 {
     static double zoom = ZOOM_START_LEVEL;
@@ -254,11 +254,8 @@ int handle_shortcut(func id, GtkNotebook* notebook)
             break;
 
         case toggle_custom_style: /* Ctrl s + Ctrl Shift R to reload */
-            if (custom_style_enabled)
-                custom_style_enabled = 0;
-            else
-                custom_style_enabled = 1;
-            // break; passthrough
+            custom_style_enabled ^= 1; 
+            // fallthrough
         case refresh:
             webkit_web_view_reload(view);
             break;
@@ -297,18 +294,17 @@ int handle_shortcut(func id, GtkNotebook* notebook)
             gtk_notebook_set_current_page(notebook, j);
             break;
         case close_tab:
-            gtk_notebook_remove_page(notebook, gtk_notebook_get_current_page(notebook));
             num_tabs -= 1;
-
-            switch (gtk_notebook_get_n_pages(notebook)) {
+            switch(num_tabs){
                 case 0:
                     exit(0);
                     break;
                 case 1:
                     gtk_notebook_set_show_tabs(notebook, false);
-                    break;
+                    // fallthrough
+                default:
+                    gtk_notebook_remove_page(notebook, gtk_notebook_get_current_page(notebook));
             }
-
             break;
         case toggle_fullscreen:
             if (is_fullscreen)
@@ -341,6 +337,13 @@ int handle_shortcut(func id, GtkNotebook* notebook)
             toggle_bar(notebook, _HIDDEN);
             break;
 
+        case halve_window:
+            gtk_window_resize(window, FULL_WIDTH/2, HEIGHT);
+            break;
+        case rebig_window:
+            gtk_window_resize(window, FULL_WIDTH, HEIGHT);
+            break;
+
         case prettify: {
             if (READABILITY_ENABLED) {
                 char* readability_js = malloc(READABILITY_N + 1);
@@ -380,7 +383,6 @@ int handle_signal_keypress(void* self, GdkEvent* event, GtkNotebook* notebook)
     - https://docs.gtk.org/gdk3/union.Event.html
     - https://docs.gtk.org/gdk3/struct.EventButton.html
     */
-    // This API is deprecated in GTK4 :(.
     return 0;
 }
 
@@ -391,33 +393,35 @@ int main(int argc, char** argv)
     g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); // https://docs.gtk.org/gobject/method.Object.set.html
     GtkCssProvider* css = gtk_css_provider_new();
     gtk_css_provider_load_from_path(css, "/opt/rosenrot/style-gtk3.css", NULL);
-    gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); /* might change with GTK4/webkitgtk6.0 */
+    gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); 
 
     /* Initialize GTK objects. These are declared as static globals at the top of this file */
+
+    // Window
+    window = GTK_WINDOW(gtk_window_new(0));
+    gtk_window_set_default_size(window, WIDTH, HEIGHT);
     // Notebook
     notebook = GTK_NOTEBOOK(gtk_notebook_new());
     gtk_notebook_set_show_tabs(notebook, false);
     gtk_notebook_set_show_border(notebook, false);
-
-    // Window
-    window = GTK_WINDOW(gtk_window_new(0));
-    gtk_window_set_default_size(window, WIDTH, HEIGHT_GTK3);
-    g_signal_connect(window, "key-press-event", G_CALLBACK(handle_signal_keypress), notebook);
-    g_signal_connect(window, "destroy", G_CALLBACK(exit), notebook);
-
-    gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(notebook)); /* deprecated in GTK */
+    gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(notebook));
 
     // Bar
     bar.line_text = GTK_ENTRY_BUFFER(gtk_entry_buffer_new("", 0));
     bar.line = GTK_ENTRY(gtk_entry_new_with_buffer(bar.line_text));
     gtk_entry_set_alignment(bar.line, 0.48);
-    gtk_widget_set_size_request(GTK_WIDGET(bar.line), BAR_SIZE, -1);
-    g_signal_connect(bar.line, "activate", G_CALLBACK(handle_signal_bar_press_enter), notebook);
+    gtk_widget_set_size_request(GTK_WIDGET(bar.line), BAR_WIDTH, -1);
 
     bar.widget = GTK_HEADER_BAR(gtk_header_bar_new());
     gtk_header_bar_set_custom_title(bar.widget, GTK_WIDGET(bar.line));
     gtk_window_set_titlebar(window, GTK_WIDGET(bar.widget));
 
+    // Signals
+    g_signal_connect(window, "key-press-event", G_CALLBACK(handle_signal_keypress), notebook);
+    g_signal_connect(window, "destroy", G_CALLBACK(exit), notebook);
+    g_signal_connect(bar.line, "activate", G_CALLBACK(handle_signal_bar_press_enter), notebook);
+
+
     /* Load first tab */
     char* first_uri = argc > 1 ? argv[1] : HOME;
     notebook_create_new_tab(notebook, first_uri);
@@ -434,5 +438,5 @@ int main(int argc, char** argv)
         }
     }
 
-    gtk_main(); /* deprecated in GKT4: https://docs.gtk.org/gtk4/migrating-3to4.html#stop-using-gtk_main-and-related-apis */
+    gtk_main(); 
 }

rosenrot4.c

@@ -1,26 +1,15 @@
 #include <gdk/gdk.h>
 #include <stdlib.h>
 #include <string.h>
+#include <webkit/webkit.h>
 
 #include "config.h"
 #include "plugins/plugins.h"
-#include <webkit/webkit.h>
-
-#define NULLCHECK(x)                                   \
-    do {                                               \
-        if (x == NULL) {                               \
-            printf("\nNULL check not passed");         \
-            printf("@ %s (%d): ", __FILE__, __LINE__); \
-            exit(0);                                   \
-        }                                              \
-    } while (0)
 
 /* Global variables */
 static GtkNotebook* notebook;
 static GtkWindow* window;
-typedef enum { _SEARCH,
-    _FIND,
-    _HIDDEN } Bar_entry_mode;
+typedef enum { _SEARCH, _FIND, _HIDDEN } Bar_entry_mode;
 static struct {
     GtkHeaderBar* widget;
     GtkEntry* line;
@@ -48,32 +37,39 @@ WebKitWebView* notebook_get_webview(GtkNotebook* notebook) /* TODO: Think throug
 void load_uri(WebKitWebView* view, const char* uri)
 {
     bool is_empty_uri = (strlen(uri) == 0);
-    bool has_direct_uri_prefix = (g_str_has_prefix(uri, "http://") || g_str_has_prefix(uri, "https://") || g_str_has_prefix(uri, "file://") || g_str_has_prefix(uri, "about:"));
+    if (is_empty_uri) {
+        webkit_web_view_load_uri(view, "");
+        toggle_bar(notebook, _SEARCH);
+        return;
+    } 
+
+    bool has_direct_uri_prefix = g_str_has_prefix(uri, "http://") || g_str_has_prefix(uri, "https://") || g_str_has_prefix(uri, "file://") || g_str_has_prefix(uri, "about:");
+    if (has_direct_uri_prefix){
+        webkit_web_view_load_uri(view, uri);
+        return;
+    } 
+
     bool has_common_domain_extension = (strstr(uri, ".com") || strstr(uri, ".org"));
-    bool has_shortcut;
+    if (has_common_domain_extension){
+        char tmp[strlen("https://") + strlen(uri) + 1];
+        snprintf(tmp, sizeof(tmp) + 1, "https://%s", uri);
+        webkit_web_view_load_uri(view, tmp);
+        return;
+    } 
 
     int l = SHORTCUT_N + strlen(uri) + 1;
     char uri_expanded[l];
     str_init(uri_expanded, l);
     int check = shortcut_expand(uri, uri_expanded);
-    has_shortcut = (check == 2);
-
-    if (is_empty_uri) {
-        webkit_web_view_load_uri(view, "");
-        toggle_bar(notebook, _SEARCH);
-    } else if (has_direct_uri_prefix){
-        webkit_web_view_load_uri(view, uri);
-    } else if (has_common_domain_extension){
-        char tmp[strlen("https://") + strlen(uri) + 1];
-        snprintf(tmp, sizeof(tmp) + 1, "https://%s", uri);
-        webkit_web_view_load_uri(view, tmp);
-    } else if (has_shortcut){
+    bool has_shortcut = (check == 2);
+    if (has_shortcut){
         webkit_web_view_load_uri(view, uri_expanded);
-    } else {
-        char tmp[strlen(uri) + strlen(SEARCH)];
-        snprintf(tmp, sizeof(tmp), SEARCH, uri);
-        webkit_web_view_load_uri(view, tmp);
+        return;
     } 
+
+    char tmp[strlen(uri) + strlen(SEARCH)];
+    snprintf(tmp, sizeof(tmp), SEARCH, uri);
+    webkit_web_view_load_uri(view, tmp);
 }
 
 /* Deal with new load or changed load */
@@ -173,7 +169,8 @@ GtkWidget* handle_signal_create_new_tab(WebKitWebView* self,
     } else {
         webkit_web_view_evaluate_javascript(self, "alert('Too many tabs, not opening a new one')", -1, NULL, "rosenrot-alert-numtabs", NULL, NULL, NULL);
     }
-    return NULL; // Could also return GTK_WIDGET(self), in which case the new uri would also be loaded in the current webview.
+    return ABORT_REQUEST_ON_CURRENT_TAB;
+    // Could also return GTK_WIDGET(self), in which case the new uri would also be loaded in the current webview. This could be interesting if I wanted to e.g., open an alternative frontend in a new tab
 }
 
 void notebook_create_new_tab(GtkNotebook* notebook, const char* uri)
@@ -251,8 +248,7 @@ void handle_signal_bar_press_enter(GtkEntry* self, GtkNotebook* notebook) /* con
     gtk_widget_hide(GTK_WIDGET(bar.widget));
 }
 
-/* Handle shortcuts */
-
+/* Shortcuts */
 int handle_shortcut(func id)
 {
     static double zoom = ZOOM_START_LEVEL;
@@ -270,12 +266,9 @@ int handle_shortcut(func id)
             webkit_web_view_go_forward(view);
             break;
 
-        case toggle_custom_style: /* Ctrl s + Ctrl Shift R to reload */
-            if (custom_style_enabled)
-                custom_style_enabled = 0;
-            else
-                custom_style_enabled = 1;
-            // break; passthrough
+        case toggle_custom_style: 
+            custom_style_enabled ^= 1; 
+            // fallthrough
         case refresh:
             webkit_web_view_reload(view);
             break;
@@ -304,28 +297,27 @@ int handle_shortcut(func id)
             // https://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement
             int n = gtk_notebook_get_n_pages(notebook);
             int k = gtk_notebook_get_current_page(notebook);
-            int l = (n + k - 1) % n;
-            gtk_notebook_set_current_page(notebook, l);
+            int o = (n + k - 1) % n;
+            gtk_notebook_set_current_page(notebook, o);
             break;
         case next_tab:;
             int m = gtk_notebook_get_n_pages(notebook);
-            int i = gtk_notebook_get_current_page(notebook);
-            int j = (i + 1) % m;
-            gtk_notebook_set_current_page(notebook, j);
+            int l = gtk_notebook_get_current_page(notebook);
+            int p = (l + 1) % m;
+            gtk_notebook_set_current_page(notebook, p);
             break;
         case close_tab:
-            gtk_notebook_remove_page(notebook, gtk_notebook_get_current_page(notebook));
             num_tabs -= 1;
-
-            switch (gtk_notebook_get_n_pages(notebook)) {
+            switch(num_tabs){
                 case 0:
                     exit(0);
                     break;
                 case 1:
                     gtk_notebook_set_show_tabs(notebook, false);
-                    break;
+                    // fallthrough
+                default:
+                    gtk_notebook_remove_page(notebook, gtk_notebook_get_current_page(notebook));
             }
-
             break;
         case toggle_fullscreen:
             if (is_fullscreen)
@@ -359,6 +351,13 @@ int handle_shortcut(func id)
             toggle_bar(notebook, _HIDDEN);
             break;
 
+        case halve_window:
+            gtk_window_set_default_size(window, FULL_WIDTH/2, HEIGHT);
+            break;
+        case rebig_window:
+            gtk_window_set_default_size(window, FULL_WIDTH, HEIGHT);
+            break;
+
         case prettify: {
             if (READABILITY_ENABLED) {
                 char* readability_js = malloc(READABILITY_N + 1);
@@ -396,16 +395,17 @@ static int handle_signal_keypress(void* self, int keyval, int keycode,
 
 int main(int argc, char** argv)
 {
-    /* Initialize GTK in general */
+    // Initialize GTK in general
     gtk_init();
-    g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); // https://docs.gtk.org/gobject/method.Object.set.html
+    g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); 
+    // https://docs.gtk.org/gobject/method.Object.set.html
     GtkCssProvider* css = gtk_css_provider_new();
     gtk_css_provider_load_from_path(css, "/opt/rosenrot/style-gtk4.css");
     gtk_style_context_add_provider_for_display(gdk_display_get_default(), GTK_STYLE_PROVIDER(css), GTK_STYLE_PROVIDER_PRIORITY_USER);
 
     // Create the main window
     window = GTK_WINDOW(gtk_window_new());
-    gtk_window_set_default_size(window, WIDTH, HEIGHT_GTK4);
+    gtk_window_set_default_size(window, WIDTH, HEIGHT);
 
     // Set up notebook
     notebook = GTK_NOTEBOOK(gtk_notebook_new());
@@ -413,17 +413,17 @@ int main(int argc, char** argv)
     gtk_notebook_set_show_border(notebook, false);
     gtk_window_set_child(window, GTK_WIDGET(notebook));
 
-    // Bar
+    // Set up top bar
     bar.line_text = GTK_ENTRY_BUFFER(gtk_entry_buffer_new("", 0));
     bar.line = GTK_ENTRY(gtk_entry_new_with_buffer(bar.line_text));
-    gtk_entry_set_alignment(bar.line, 0.48);
-    gtk_widget_set_size_request(GTK_WIDGET(bar.line), BAR_SIZE, -1);
+    gtk_entry_set_alignment(bar.line, 0.5);
+    gtk_widget_set_size_request(GTK_WIDGET(bar.line), BAR_WIDTH, -1);
 
     bar.widget = GTK_HEADER_BAR(gtk_header_bar_new());
     gtk_header_bar_set_title_widget(bar.widget, GTK_WIDGET(bar.line));
     gtk_window_set_titlebar(window, GTK_WIDGET(bar.widget));
 
-    // Signals
+    // Setup signals
     GtkEventController* event_controller = gtk_event_controller_key_new();
     g_signal_connect(event_controller, "key-pressed", G_CALLBACK(handle_signal_keypress), NULL);
     gtk_widget_add_controller(GTK_WIDGET(window), event_controller);
@@ -431,17 +431,17 @@ int main(int argc, char** argv)
     g_signal_connect(bar.line, "activate", G_CALLBACK(handle_signal_bar_press_enter), notebook); 
     g_signal_connect(GTK_WIDGET(window), "destroy", G_CALLBACK(exit), notebook);
 
-    // Show the application window
-    gtk_window_present(window);
-
+    // Load first tab
     char* first_uri = argc > 1 ? argv[1] : HOME;
     notebook_create_new_tab(notebook, first_uri);
 
-    /* Show to user */
+    // Show to user 
+    // The first two commands are redundant with notebook_create_new_tab
+    gtk_window_present(window); 
     gtk_widget_set_visible(GTK_WIDGET(window), 1);
     if (argc != 0) gtk_widget_set_visible(GTK_WIDGET(bar.widget), 0);
 
-    /* Deal with more tabs */
+    // Deal with more tabs, if any 
     if (argc > 2) {
         gtk_notebook_set_show_tabs(notebook, true);
         for (int i = 2; i < argc; i++) {
@@ -450,7 +450,6 @@ int main(int argc, char** argv)
     }
 
     // Enter the main event loop, and wait for user interaction
-    printf("Entering main loop\n");
     while (g_list_model_get_n_items(gtk_window_get_toplevels()) > 0 && num_tabs > 0)
         g_main_context_iteration(NULL, TRUE);