refactor: try to force hand cursor for selectionrefactor/cursor-changes

1 files changed, 60 insertions, 6 deletions

diff --git a/src/dapp.c b/src/dapp.c
index a277d1d..90c266d 100644
--- a/src/dapp.c
+++ b/src/dapp.c
@@ -19,6 +19,8 @@ typedef struct {
 typedef struct {
     GPtrArray *entries;
     GHashTable *seen_paths;
+    GdkCursor *cursor_default;
+    GdkCursor *cursor_hand;
     GtkWidget *window;
     GtkWidget *list;
     GtkWidget *status_label;
@@ -46,6 +48,9 @@ static void launcher_state_cleanup(LauncherState *state) {
         g_hash_table_destroy(state->seen_paths);
         state->seen_paths = NULL;
     }
+
+    g_clear_object(&state->cursor_default);
+    g_clear_object(&state->cursor_hand);
 }
 
 static void app_entry_free(gpointer data) {
@@ -323,6 +328,51 @@ static void set_status(LauncherState *state, const char *message) {
     gtk_label_set_text(GTK_LABEL(state->status_label), message != NULL ? message : "");
 }
 
+// nav: cursor helpers
+static void initialize_cursors(LauncherState *state) {
+    GdkDisplay *display = NULL;
+
+    if (state == NULL) {
+        return;
+    }
+
+    display = gdk_display_get_default();
+    if (display == NULL) {
+        return;
+    }
+
+    state->cursor_default = gdk_cursor_new_from_name(display, "default");
+    if (state->cursor_default == NULL) {
+        state->cursor_default = gdk_cursor_new_from_name(display, "left_ptr");
+    }
+
+    state->cursor_hand = gdk_cursor_new_from_name(display, "pointer");
+    if (state->cursor_hand == NULL) {
+        state->cursor_hand = gdk_cursor_new_from_name(display, "hand2");
+    }
+}
+
+static void set_list_cursor(LauncherState *state, gboolean use_hand) {
+    GdkWindow *window = NULL;
+    GdkCursor *cursor = NULL;
+
+    if (state == NULL || state->list == NULL) {
+        return;
+    }
+
+    if (!gtk_widget_get_realized(state->list)) {
+        return;
+    }
+
+    window = gtk_widget_get_window(state->list);
+    if (window == NULL) {
+        return;
+    }
+
+    cursor = use_hand ? state->cursor_hand : state->cursor_default;
+    gdk_window_set_cursor(window, cursor);
+}
+
 static void launch_entry(LauncherState *state, AppEntry *entry) {
     GError *error = NULL;
 
@@ -380,6 +430,7 @@ static void move_selection(LauncherState *state, gint delta) {
     if (next_row != NULL) {
         gtk_list_box_select_row(list, next_row);
         gtk_widget_grab_focus(GTK_WIDGET(list));
+        set_list_cursor(state, TRUE);
     }
 }
 
@@ -431,11 +482,10 @@ static void on_row_activated(GtkListBox *box, GtkListBoxRow *row, gpointer user_
 
 static gboolean on_list_motion(GtkWidget *widget, GdkEventMotion *event, gpointer user_data) {
     GtkListBox *list = GTK_LIST_BOX(widget);
+    LauncherState *state = (LauncherState *)user_data;
     GtkListBoxRow *row = NULL;
     GtkListBoxRow *current = NULL;
 
-    (void)user_data;
-
     row = gtk_list_box_get_row_at_y(list, (gint)event->y);
     current = gtk_list_box_get_selected_row(list);
 
@@ -443,16 +493,18 @@ static gboolean on_list_motion(GtkWidget *widget, GdkEventMotion *event, gpointe
         gtk_list_box_select_row(list, row);
     }
 
+    set_list_cursor(state, row != NULL);
+
     return FALSE;
 }
 
 static gboolean on_list_leave(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data) {
     GtkListBox *list = GTK_LIST_BOX(widget);
-
-    (void)user_data;
+    LauncherState *state = (LauncherState *)user_data;
 
     if (event->detail != GDK_NOTIFY_INFERIOR) {
         gtk_list_box_unselect_all(list);
+        set_list_cursor(state, FALSE);
     }
 
     (void)event;
@@ -596,6 +648,7 @@ int main(int argc, char **argv) {
     }
 
     gtk_init(&argc, &argv);
+    initialize_cursors(&state);
     apply_css();
 
     state.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
@@ -628,8 +681,8 @@ int main(int argc, char **argv) {
     gtk_list_box_set_selection_mode(GTK_LIST_BOX(state.list), GTK_SELECTION_SINGLE);
     gtk_widget_add_events(state.list, GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK);
     g_signal_connect(state.list, "row-activated", G_CALLBACK(on_row_activated), &state);
-    g_signal_connect(state.list, "motion-notify-event", G_CALLBACK(on_list_motion), NULL);
-    g_signal_connect(state.list, "leave-notify-event", G_CALLBACK(on_list_leave), NULL);
+    g_signal_connect(state.list, "motion-notify-event", G_CALLBACK(on_list_motion), &state);
+    g_signal_connect(state.list, "leave-notify-event", G_CALLBACK(on_list_leave), &state);
 
     for (i = 0; i < state.entries->len; i++) {
         AppEntry *entry = (AppEntry *)g_ptr_array_index(state.entries, i);
@@ -646,6 +699,7 @@ int main(int argc, char **argv) {
 
     gtk_container_add(GTK_CONTAINER(state.window), root);
     gtk_widget_show_all(state.window);
+    set_list_cursor(&state, FALSE);
 
     gtk_main();