Implement window cloning ability (#24)

orhun · Jun 4, 2024 · 2c18861 · 2c18861
1 parent 149d34a
commit 2c18861
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Showing 2 changed files with 46 additions and 16 deletions.
diff --git a/README.md b/README.md
@@ -93,21 +93,22 @@ kermit [-h] [-v] [-d] [-c config] [-t title] [-w workdir] [-e command]
 
 ## Default Key Bindings
 
-| Key                                    | Action                            |
-|----------------------------------------|-----------------------------------|
-| `ctrl` + `alt` + `c`                   | Copy to clipboard                 |
-| `ctrl` + `alt` + `v`                   | Paste from clipboard              |
-| `ctrl` + `alt` + `t`/`return`          | Open a new tab                    |
-| `ctrl` + `alt` + `r`                   | Reload configuration file         |
-| `ctrl` + `alt` + `d`                   | Load default configuration        |
-| `ctrl` + `alt` + `q`                   | Exit the terminal                 |
-| `ctrl` + `alt` + `k`/`up`              | Increase font size                |
-| `ctrl` + `alt` + `j`/`down`            | Decrease font size                |
-| `ctrl` + `alt` + `equals`/`plus`       | Reset font size to default        |
-| `ctrl` + `alt` + `<num>`               | Switch to tab with number `<num>` |
-| `ctrl` + `alt` + `l`/`right`/`pageup`  | Switch to next tab                |
-| `ctrl` + `alt` + `h`/`left`/`pagedown` | Switch to previous tab            |
-| `ctrl` + `alt` + `backspace`           | Close the current tab             |
+| Key                                    | Action                             |
+|----------------------------------------|------------------------------------|
+| `ctrl` + `alt` + `c`                   | Copy to clipboard                  |
+| `ctrl` + `alt` + `v`                   | Paste from clipboard               |
+| `ctrl` + `alt` + `t`/`return`          | Open a new tab                     |
+| `ctrl` + `alt` + `n`                   | Open a new window                  |
+| `ctrl` + `alt` + `r`                   | Reload configuration file          |
+| `ctrl` + `alt` + `d`                   | Load default configuration         |
+| `ctrl` + `alt` + `q`                   | Exit the terminal                  |
+| `ctrl` + `alt` + `k`/`up`              | Increase font size                 |
+| `ctrl` + `alt` + `j`/`down`            | Decrease font size                 |
+| `ctrl` + `alt` + `equals`/`plus`       | Reset font size to default         |
+| `ctrl` + `alt` + `<num>`               | Switch to tab with number `<num>`  |
+| `ctrl` + `alt` + `l`/`right`/`pageup`  | Switch to next tab                 |
+| `ctrl` + `alt` + `h`/`left`/`pagedown` | Switch to previous tab             |
+| `ctrl` + `alt` + `backspace`           | Close the current tab              |
 
 The default modifiers (`ctrl` + `alt`) can be set to `ctrl` + `shift` using the config file.
 Key bindings can be overridden by custom key bindings.

diff --git a/src/kermit.c b/src/kermit.c
@@ -72,7 +72,8 @@ static gboolean debugMessages = FALSE;    /* Boolean value for -d argument */
 static gboolean closeTab = FALSE;         /* Close the tab on child-exited signal */
 static va_list vargs;                     /* Hold information about variable arguments */
 static GdkRGBA termPalette[TERM_PALETTE_SIZE];   /* Terminal colors */
-typedef struct {              /* Key bindings struct */
+static char **args;                       /* Save args the terminal was launched with*/
+typedef struct KeyBindings {              /* Key bindings struct */
     gboolean internal;
     char *key;
     char *cmd;
@@ -86,6 +87,7 @@ static DefaultBindings defaultKeyBindings[] = {     /* Preconfigured default key
     { .bind = { .key = "c", .cmd = "copy", .internal = TRUE } },
     { .bind = { .key = "v", .cmd = "paste", .internal = TRUE } },
     { .bind = { .key = "t", .cmd = "new-tab", .internal = TRUE } },
+    { .bind = { .key = "n", .cmd = "new-window", .internal = TRUE } },
     { .bind = { .key = "return", .cmd = "new-tab", .internal = TRUE } },
     { .bind = { .key = "r", .cmd = "reload-config", .internal = TRUE } },
     { .bind = { .key = "d", .cmd = "default-config", .internal = TRUE } },
@@ -144,6 +146,30 @@ static int connectSignals(GtkWidget *terminal) {
     return 0;
 }
 
+/*!
+ * Opens a new window with the same working directory
+ *
+ * \param terminal
+ */
+static void termClone(VteTerminal *terminal) {
+    const char prefix[] = "file://";
+    const char *path = vte_terminal_get_current_directory_uri(terminal);
+    if (path && strncmp(prefix, path, strlen(prefix)) == 0) {
+        path += strlen(prefix);
+    }
+    if (fork() == 0) {
+	if (!path) {
+            fprintf(stderr, "Unable to fetch current working directory\n");
+	} else if (chdir(path) == -1) {
+	    perror("Unable to change pwd for new terminal");
+        }
+        if (execvp(args[0], args) == -1) {
+            perror("Cloning the terminal failed");
+            _exit(errno);
+        }
+    }
+}
+
 /*
  * Handle internal action
  *
@@ -170,6 +196,8 @@ static gboolean termAction(GtkWidget *terminal, const char *action) {
     } else if (strcmp(action, "new-tab") == 0) {
         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), getTerm(), NULL);
         gtk_widget_show_all(window);
+    } else if (strcmp(action, "new-window") == 0) {
+        termClone(VTE_TERMINAL(terminal));
     } else if (strcmp(action, "exit") == 0) {
         gtk_main_quit();
     } else if (strcmp(action, "inc-font-size") == 0) {
@@ -753,6 +781,7 @@ static void parseSettings() {
  * \return 1 on exit
  */
 static int parseArgs(int argc, char **argv) {
+    args = argv;
     while ((opt = getopt(argc, argv, ":c:w:e:t:vdh")) != -1) {
         switch (opt) {
             case 'c':