From 7683d71d5eabd70722bd3f1e2d90294af0e196de Mon Sep 17 00:00:00 2001
From: Jean Sirmai <jean@a-lec.org>
Date: Wed, 29 Nov 2023 17:56:00 +0100
Subject: [PATCH] WIP: OK  >  the button responds when clicked

---
 src/ui/application.c | 45 +-------------------------------------------
 src/ui/window.c      | 29 ++++++++--------------------
 2 files changed, 9 insertions(+), 65 deletions(-)

diff --git a/src/ui/application.c b/src/ui/application.c
index 2d41c5f..c36052f 100644
--- a/src/ui/application.c
+++ b/src/ui/application.c
@@ -149,48 +149,5 @@ GemGraphClientApplication *gem_graph_client_application_new(
                        NULL);
 }
 
-/* button-event.c
- *
- * Compile: cc -ggdb button-event.c -o button-event $(pkg-config --cflags --libs gtk4)
- * Run: ./button-event
- *
- * Author: Mohammed Sadiq <www.sadiqpk.org>
- *
- * SPDX-License-Identifier: LGPL-2.1-or-later OR CC0-1.0
- */
-
-#include <gtk/gtk.h>
-
-static gboolean
-gesture_released_cb (GtkWidget *widget)
-{
-    g_warning ("do something");
-
-    return GDK_EVENT_STOP;
-}
-
-static void
-app_activated_cb (GtkApplication *app)
-{
-    GtkGesture *gesture;
-    GtkWindow *window;
-    GtkWidget *box, *label;
-
-    window = GTK_WINDOW (gtk_application_window_new (app));
-    gtk_window_set_default_size (window, 400, 300);
-
-    box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
-    label = gtk_label_new ("Hello");
-    gtk_box_append (GTK_BOX (box), label);
-    gtk_window_set_child (window, box);
-
-    gesture = gtk_gesture_click_new ();
-
-    g_signal_connect_object (gesture, "released",
-                           G_CALLBACK (gesture_released_cb),
-                           box, G_CONNECT_SWAPPED);
-    gtk_widget_add_controller (label, GTK_EVENT_CONTROLLER (gesture));
-
-    gtk_window_present (window);
-}
+/* https://docs.gtk.org/gtk4/input-handling.html */
 
diff --git a/src/ui/window.c b/src/ui/window.c
index a3ba2c8..107a698 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -245,38 +245,25 @@ GtkWidget *create_tree_label(void)
 
 #include <gtk/gtk.h>
 
-static gboolean
-gesture_released_cb (GtkWidget *widget)
+static void
+print_hello (GtkWidget *widget,
+             gpointer   data)
 {
-    g_warning ("do something");
-
-    printf("Hello !  I'm the button  <>  I've been clicked !!!\n");
-
-    return GDK_EVENT_STOP;
+    printf("Yes.  I'm the new button   <->   I've been clicked !!!\n");
+//    return GDK_EVENT_STOP;
 }
 
 GtkWidget *create_tree_button(void)
 {
-    GtkGesture *gesture;
     GtkWidget *button;
-    const char *text = "Hello !  I'm the button";
+    const char *text = "Hello !  I'm the new button.   Click me !";
 
     button = gtk_button_new_with_label(text);
     gtk_box_append(GTK_BOX(window->runlib_objects), button);
     gtk_widget_show(button);
 
-    gesture = gtk_gesture_click_new ();
-    GdkDevice *xxx = gtk_gesture_get_device (gesture);     // printf("%s\n", xxx.class.name);
-
-    if (gesture) printf("Hello !  I'm the button  <>  I'm being clicked !!!  \n");
-    //GtkGestureClick::pressed
-
-    g_signal_connect_object (gesture, "released",
-                           G_CALLBACK (gesture_released_cb),
-                           GTK_BOX(window->runlib_objects), G_CONNECT_SWAPPED);
-    //Use G_CALLBACK() to cast the callback function to a GCallback.
-
-    gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (gesture));
+    g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
+    //g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
 
     tree_c_test();