Update gtk118

Gtk4/gtk118_imageviewer/src/MyImage.cpp

@@ -25,8 +25,9 @@ struct _MyImageClass{
 G_DEFINE_TYPE(MyImage,my_image,GTK_TYPE_WIDGET)
 
 void my_image_set_pixbuf(MyImage * self, GdkPixbuf * pixbuf){
-    //g_clear_object(&self->paintable);
+    g_clear_object(&self->paintable);
     self->paintable = (GdkPaintable*)gdk_texture_new_for_pixbuf(pixbuf);
+    gtk_widget_queue_draw(GTK_WIDGET(self));
 }
 
 static void pressed_cb(GtkGestureClick * gesture,int n_press,double x,double y,MyImage * self){
@@ -39,6 +40,7 @@ static void pressed_cb(GtkGestureClick * gesture,int n_press,double x,double y,M
 
 static void drag_start(GtkGestureDrag * self,double x,double y,MyImage * image){
     //Get Properties
+    //sleep(1);
     image->start_x = x;
     image->start_y = y;
     image->hmax_value = gtk_adjustment_get_upper(image->hadjustment);
@@ -47,6 +49,7 @@ static void drag_start(GtkGestureDrag * self,double x,double y,MyImage * image){
 
 static void drag_update(GtkGestureDrag * self,double x,double y,MyImage * image){
     //Move Image
+    //sleep(1);
     int hadj_value = gtk_adjustment_get_value(image->hadjustment);
     int vadj_value = gtk_adjustment_get_value(image->vadjustment);
     if(hadj_value - x >= 0 &&  - x <= image->hmax_value){
@@ -59,6 +62,7 @@ static void drag_update(GtkGestureDrag * self,double x,double y,MyImage * image)
 
 static void drag_end(GtkGestureDrag * self,double x,double y,MyImage * image){
     //g_print("%f %f\n",x+image->start_x,y+image->start_y);
+    //sleep(1);
     int hadj_value = gtk_adjustment_get_value(image->hadjustment);
     int vadj_value = gtk_adjustment_get_value(image->vadjustment);
     if(hadj_value - x >= 0 &&  - x <= image->hmax_value){

Gtk4/gtk118_imageviewer/src/MyWindow.cpp

@@ -9,9 +9,37 @@ struct _MyWindow{
 
 G_DEFINE_TYPE(MyWindow,my_window,GTK_TYPE_APPLICATION_WINDOW)
 
-static void dialog_respone(GtkNativeDialog * dialog,int respone,MyWindow * window){}
+static void dialog_respone(GtkNativeDialog * dialog,int response,MyWindow * window){
+    if(response == GTK_RESPONSE_ACCEPT){
+        //Get Filename
+        GFile * file = gtk_file_chooser_get_file(GTK_FILE_CHOOSER(dialog));
+        char * filename = g_file_get_path(file);
 
-static void openfile_dialog(GtkWidget * widget,MyWindow * window){}
+        GError * err = NULL;
+        GdkPixbuf * pixbuf = gdk_pixbuf_new_from_file(filename,&err);
+        if(err!=NULL){
+            fprintf(stderr, "Unable to read file: %s\n", err->message);
+            g_error_free(err);
+        }else{
+            my_image_set_pixbuf(MY_IMAGE(window->img_view),pixbuf);
+        }
+
+        g_object_unref(file);
+        g_free(filename);
+    }
+    gtk_native_dialog_destroy(dialog);
+}
+
+static void openfile_dialog(GtkWidget * widget,MyWindow * window){
+    //Create a dialog
+    GtkFileChooserNative * dialog = gtk_file_chooser_native_new("Open Image File",GTK_WINDOW(window),
+                                    GTK_FILE_CHOOSER_ACTION_OPEN,"OK","Cancel");
+
+    //Link the "response" signal of dialog
+    g_signal_connect(dialog,"response",G_CALLBACK(dialog_respone),window);
+
+    gtk_native_dialog_show(GTK_NATIVE_DIALOG(dialog));
+}
 
 static void my_window_init(MyWindow * window){
     GtkWidget * vbox, * sw, * scale, * btnbox, * btnopen;
@@ -42,6 +70,7 @@ static void my_window_init(MyWindow * window){
 
     //Add a button
     btnopen = gtk_button_new_with_label("Open Image");
+    g_signal_connect(btnopen,"clicked",G_CALLBACK(openfile_dialog),window);
     gtk_box_append(GTK_BOX(btnbox),btnopen);
     gtk_box_append(GTK_BOX(vbox),btnbox);
 

Gtk4/icon.rc

@@ -0,0 +1 @@
+MAINICON ICON "Icon.ico"

rust_test/test.rs

@@ -0,0 +1,3 @@
+fn main(){
+    println!("Hello World");
+}