add some comments

1 files changed, 16 insertions, 14 deletions

diff --git a/vito.c b/vito.c
index 05456ac..effba9e 100644
--- a/vito.c
+++ b/vito.c
@@ -4,6 +4,12 @@
 #include <gdk/gdkkeysyms.h>
 #include <gdk/gdkenums.h>
 
+/* Time in milliseconds it takes to write a character, i.e. if you hold down
+ * the mouse button for this many ms it will write the character and move on to
+ * the next character (or emoji).
+ *
+ * Initially had this set to 500 ms (half a second), but that was a bit short,
+ * so I've updated it to one second. */
 #define CLICK_TIME 1000
 
 #define LEN(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
@@ -22,6 +28,7 @@ static void aeGetTime(long *seconds, long *milliseconds)
 GtkWidget *text_widget;
 GtkTextTag *tag;
 
+/* List of emojis. */
 #define STOP "\xf0\x9f\x9b\x91"
 #define THANK_YOU "\xf0\x9f\x99\x8f"
 #define UNAMUSED "\xf0\x9f\x98\x92"
@@ -76,8 +83,6 @@ const char *emoji_array[] = {
     CLEAR_SCREEN,
 };
 
-chars emoji = { emoji_array, LEN(emoji_array)};
-
 const char *alphabet_array[] = {
     "a",
     "b",
@@ -115,8 +120,8 @@ const char *alphabet_array[] = {
     "."
 };
 
+chars emoji = { emoji_array, LEN(emoji_array)};
 chars alphabet = {alphabet_array, LEN(alphabet_array)};
-
 chars *current_chars = &emoji;
 
 char buf[100000];
@@ -167,14 +172,14 @@ static void write_buf(void)
     gtk_text_buffer_apply_tag(text_buffer, tag, &start, &end);
 }
 
-static int pressed2(GtkWidget *widget, gpointer data)
+static int right_click_pressed(GtkWidget *widget, gpointer data)
 {
     backspace();
     write_buf();
     return TRUE;
 }
 
-static int released2(GtkWidget *widget, gpointer data)
+static int right_click_released(GtkWidget *widget, gpointer data)
 {
     return TRUE;
 }
@@ -267,8 +272,7 @@ static void activate(GtkApplication *app, gpointer user_data)
     GtkTextBuffer *text_buffer;
     GtkCssProvider *provider;
     GtkStyleContext *context;
-    GtkGesture *gesture;
-    GtkGesture *gesture2;
+    GtkGesture *gesture, *right_click_gesture;
     GtkEventController *event_controller;
 
     window = gtk_application_window_new(app);
@@ -279,11 +283,11 @@ static void activate(GtkApplication *app, gpointer user_data)
     g_signal_connect(event_controller, "key-pressed", G_CALLBACK(on_key_press), NULL);
     gtk_widget_add_controller(window, event_controller);
 
-    gesture2 = gtk_gesture_click_new();
-    gtk_gesture_single_set_button(GTK_GESTURE_SINGLE (gesture2), 3);
-    g_signal_connect(gesture2, "pressed", G_CALLBACK(pressed2), NULL);
-    g_signal_connect(gesture2, "released", G_CALLBACK(released2), NULL);
-    gtk_widget_add_controller(window, GTK_EVENT_CONTROLLER(gesture2));
+    right_click_gesture = gtk_gesture_click_new();
+    gtk_gesture_single_set_button(GTK_GESTURE_SINGLE (right_click_gesture), 3);
+    g_signal_connect(right_click_gesture, "pressed", G_CALLBACK(right_click_pressed), NULL);
+    g_signal_connect(right_click_gesture, "released", G_CALLBACK(right_click_released), NULL);
+    gtk_widget_add_controller(window, GTK_EVENT_CONTROLLER(right_click_gesture));
 
     gesture = gtk_gesture_click_new();
     g_signal_connect(gesture, "pressed", G_CALLBACK(pressed), NULL);
@@ -311,8 +315,6 @@ static void activate(GtkApplication *app, gpointer user_data)
 
     /* Use a tag to change the color for just one part of the widget */
     tag = gtk_text_buffer_create_tag(text_buffer, "red_foreground", "foreground", "red", NULL);  
-    buf[0] = 'a';
-    buf[1] = '\0';
     write_buf();
     gtk_window_set_child(GTK_WINDOW(window), text_widget);