Added option for loading first, last image, added extra key bindings

3 files changed, 34 insertions, 4 deletions

diff --git a/file.c b/file.c
index eebc49d..33d326b 100644
--- a/file.c
+++ b/file.c
@@ -52,16 +52,30 @@ int scan(const char *file_name)
 
 char *get_next_file()
 {
-    if (curr_file_index >= file_list_count - 1) {
+    if (curr_file_index >= file_list_count - 1)
         return NULL;
-    }
     return file_list[++curr_file_index];
 }
 
 char *get_prev_file()
 {
-    if (curr_file_index <= 0) {
+    if (curr_file_index <= 0)
         return NULL;
-    }
     return file_list[--curr_file_index];
 }
+
+char *get_first_file()
+{
+    if (curr_file_index == 0)
+        return NULL;
+    curr_file_index = 0;
+    return file_list[curr_file_index];
+}
+
+char *get_last_file()
+{
+    if (curr_file_index == file_list_count - 1)
+        return NULL;
+    curr_file_index = file_list_count - 1;
+    return file_list[curr_file_index];
+}
diff --git a/file.h b/file.h
index 31f6323..b052d32 100644
--- a/file.h
+++ b/file.h
@@ -9,5 +9,7 @@ int curr_file_index, file_list_count;
 int scan(const char *file_name);
 char *get_next_file();
 char *get_prev_file();
+char *get_first_file();
+char *get_last_file();
 
 #endif
diff --git a/main.c b/main.c
index 3041d8a..57e84bc 100644
--- a/main.c
+++ b/main.c
@@ -25,9 +25,11 @@ static gboolean key_press(GtkWindow *window, GdkEvent *event, gpointer data)
         fit_image(win_width, win_height);
         return FALSE;
     case GDK_KEY_plus:
+    case GDK_KEY_KP_Add:
         zoom(1);
         return FALSE;
     case GDK_KEY_minus:
+    case GDK_KEY_KP_Subtract:
         zoom(-1);
         return FALSE;
     case GDK_KEY_equal:
@@ -35,14 +37,26 @@ static gboolean key_press(GtkWindow *window, GdkEvent *event, gpointer data)
         return FALSE;
     case GDK_KEY_n:
     case GDK_KEY_j:
+    case GDK_KEY_Right:
         if ((name = get_next_file()) != NULL)
             load_image(name, win_width, win_height);
         return FALSE;
     case GDK_KEY_p:
     case GDK_KEY_k:
+    case GDK_KEY_Left:
         if ((name = get_prev_file()) != NULL)
             load_image(name, win_width, win_height);
         return FALSE;
+    case GDK_KEY_g:
+    case GDK_KEY_Home:
+        if ((name = get_first_file()) != NULL)
+            load_image(name, win_width, win_height);
+        return FALSE;
+    case GDK_KEY_G:
+    case GDK_KEY_End:
+        if ((name = get_last_file()) != NULL)
+            load_image(name, win_width, win_height);
+        return FALSE;
     default:
         return TRUE;
     }