From 7722e6d67a8e6e6a1cb73115ee3abe4380e29e2a Mon Sep 17 00:00:00 2001
From: nirav <nirav@teisuu.com>
Date: Fri, 7 Sep 2018 21:56:19 +0530
Subject: Added more key bindings, fixed file loading error

---
 file.c   |  8 ++++++++
 file.h   |  1 +
 input.c  | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 input.h  |  2 +-
 main.c   |  8 ++++++--
 window.c |  4 +++-
 6 files changed, 84 insertions(+), 9 deletions(-)

diff --git a/file.c b/file.c
index 528de4b..1477f39 100644
--- a/file.c
+++ b/file.c
@@ -77,3 +77,11 @@ char *get_last_file()
     curr_file_index = file_list_count - 1;
     return file_list[curr_file_index];
 }
+
+void clean()
+{
+    for (int i = 0; i < file_list_count; ++i) {
+        g_free(file_list[i]);
+    }
+    g_free(file_list);
+}
diff --git a/file.h b/file.h
index b052d32..fcd4dfd 100644
--- a/file.h
+++ b/file.h
@@ -11,5 +11,6 @@ char *get_next_file();
 char *get_prev_file();
 char *get_first_file();
 char *get_last_file();
+void clean();
 
 #endif
diff --git a/input.c b/input.c
index 1d460d9..1d21ef2 100644
--- a/input.c
+++ b/input.c
@@ -5,6 +5,7 @@
 #include <gtk-3.0/gtk/gtk.h>
 
 #define TIMEOUT 20
+#define SCROLLAMMOUNT 30
 
 int grabbed = 0;
 gdouble start_x, start_y;
@@ -37,9 +38,12 @@ void last()
         load_image(name);
 }
 
-void handle_key_press(GdkEventKey key)
+void handle_key_press(GdkEvent *event)
 {
-    switch (key.keyval) {
+    GdkModifierType state;
+    gdk_event_get_state(event, &state);
+
+    switch (event->key.keyval) {
     case GDK_KEY_q:
         quit();
     case GDK_KEY_w:
@@ -57,13 +61,69 @@ void handle_key_press(GdkEventKey key)
         zoom(0);
         break;
     case GDK_KEY_n:
-    case GDK_KEY_j:
-    case GDK_KEY_Right:
         next();
         break;
     case GDK_KEY_p:
-    case GDK_KEY_k:
+        prev();
+        break;
+    case GDK_KEY_Up:
+        if (curr_scale_mod == fit || state & GDK_SHIFT_MASK)
+            prev();
+        else
+            scroll_window(0, -SCROLLAMMOUNT);
+        break;
+    case GDK_KEY_Down:
+        if (curr_scale_mod == fit || state & GDK_SHIFT_MASK)
+            next();
+        else
+            scroll_window(0, SCROLLAMMOUNT);
+        break;
+    case GDK_KEY_Right:
+        if (curr_scale_mod == fit || state & GDK_SHIFT_MASK)
+            next();
+        else
+            scroll_window(SCROLLAMMOUNT, 0);
+        break;
     case GDK_KEY_Left:
+        if (curr_scale_mod == fit || state & GDK_SHIFT_MASK)
+            prev();
+        else
+            scroll_window(-SCROLLAMMOUNT, 0);
+        break;
+    case GDK_KEY_j:
+        if (curr_scale_mod == fit)
+            next();
+        else
+            scroll_window(0, SCROLLAMMOUNT);
+        break;
+    case GDK_KEY_J:
+        next();
+        break;
+    case GDK_KEY_k:
+        if (curr_scale_mod == fit)
+            prev();
+        else
+            scroll_window(0, -SCROLLAMMOUNT);
+        break;
+    case GDK_KEY_K:
+        prev();
+        break;
+    case GDK_KEY_l:
+        if (curr_scale_mod == fit)
+            next();
+        else
+            scroll_window(SCROLLAMMOUNT, 0);
+        break;
+    case GDK_KEY_L:
+        next();
+        break;
+    case GDK_KEY_h:
+        if (curr_scale_mod == fit)
+            prev();
+        else
+            scroll_window(-SCROLLAMMOUNT, 0);
+        break;
+    case GDK_KEY_H:
         prev();
         break;
     case GDK_KEY_g:
diff --git a/input.h b/input.h
index 9d88383..ff50b0c 100644
--- a/input.h
+++ b/input.h
@@ -3,7 +3,7 @@
 
 #include <gtk-3.0/gtk/gtk.h>
 
-void handle_key_press(GdkEventKey key);
+void handle_key_press(GdkEvent *event);
 void handle_button_press(GdkEvent *event);
 void handle_button_release();
 void handle_mouse_move(gdouble x, gdouble y);
diff --git a/main.c b/main.c
index f458ca5..b5eb616 100644
--- a/main.c
+++ b/main.c
@@ -27,11 +27,15 @@ static void open(GApplication *app, GFile **files, gint n_files,
     char *curr_filename = g_file_get_path(files[0]);
     int i = scan(curr_filename);
     if (i < 0) {
-        printf("failed to load file");
+        printf("failed to load file\n");
         return;
     }
 
-    load_image(curr_filename);
+    i = load_image(curr_filename);
+    if (i < 0) {
+        printf("failed to load file\n");
+        quit();
+    }
 }
 
 int main(int argc, char *argv[])
diff --git a/window.c b/window.c
index 2d095c6..3c5e8db 100644
--- a/window.c
+++ b/window.c
@@ -1,4 +1,5 @@
 #include "window.h"
+#include "file.h"
 #include "image.h"
 #include "input.h"
 #include <gtk-3.0/gtk/gtk.h>
@@ -8,7 +9,7 @@ GtkWidget *scrolled_window;
 
 static gboolean key_press(GtkWindow *window, GdkEvent *event, gpointer data)
 {
-    handle_key_press(event->key);
+    handle_key_press(event);
     return FALSE;
 }
 
@@ -93,6 +94,7 @@ void get_curr_win_size(gint *width, gint *height)
 
 void quit()
 {
+    clean();
     g_application_quit(
         G_APPLICATION(gtk_window_get_application(GTK_WINDOW(window))));
 }
-- 
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