implement gui-helper gtk

Makefile

@@ -7,13 +7,14 @@ ifdef FLATPAK_ID
     USER_LIB_PATH := /app/lib
 endif
 
+PKG_CONFIG := pkg-config
+
 .PHONY: all
 all: build
 
 .PHONY: build
 build:
-	install -Dm644 lib/linux/libiup.so -t $(USER_LIB_PATH)
-	gcc sgdboop.c curl-helper.c string-helpers.c crc.c -liup -lcurl -o linux-release/SGDBoop $(LDFLAGS)
+	gcc -g sgdboop.c curl-helper.c gui-helper-gtk.c string-helpers.c crc.c $(shell $(PKG_CONFIG) --cflags --libs gtk+-3.0) -lcurl -o linux-release/SGDBoop $(LDFLAGS)
 
 ifdef FLATPAK_ID
 .PHONY: install

gui-helper-gtk.c

@@ -0,0 +1,153 @@
+#include "gui-helper.h"
+#ifdef _WIN32
+#include "Windows.h"
+#else
+#include <gtk/gtk.h>
+#endif
+
+int ShowMessageBox(const char* title, const char* message)
+{
+  gtk_init(NULL, NULL);
+
+  //return SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, title, message, NULL);
+  GtkWidget* dialog = gtk_message_dialog_new (
+    NULL,
+    0,
+    GTK_MESSAGE_ERROR,
+    GTK_BUTTONS_OK,
+    message
+  );
+  gtk_window_set_title(GTK_WINDOW(dialog), "title");
+
+  g_signal_connect_swapped (
+    dialog,
+    "response",
+    G_CALLBACK (gtk_widget_destroy),
+    dialog
+  );
+
+  return gtk_dialog_run(GTK_DIALOG(dialog));
+}
+
+enum {
+  COLUMN_ITEM = 0,
+  COLUMN_INDEX = 1,
+};
+
+static void button_callback(GtkWidget *widget, gpointer *data)
+{
+  GtkWidget* treeview = (GtkWidget*)data;
+
+  GtkTreeSelection* selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
+
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  if (gtk_tree_selection_get_selected(selection, &model, &iter))
+  {
+    int* selected_index = g_object_get_data(G_OBJECT(treeview), "selected_index");
+
+    gtk_tree_model_get (model, &iter, COLUMN_INDEX, selected_index, -1);
+
+    g_print ("selected row is: %i\n", *selected_index);
+
+    gtk_main_quit();
+  }
+}
+
+int SelectionDialog(const char* title, int count, const char** list, int selection)
+{
+  gtk_init(NULL, NULL);
+
+  // Setup some stylesheets to match the original UI
+  const char* stylesheet = " \
+    #box { \
+      padding: 10px; \
+    } \
+  ";
+
+  GtkCssProvider* provider = gtk_css_provider_new();
+  gtk_css_provider_load_from_data(provider, stylesheet, -1, NULL);
+
+  GdkDisplay* display = gdk_display_get_default();
+  GdkScreen* screen = gdk_display_get_default_screen(display);
+  gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider),  GTK_STYLE_PROVIDER_PRIORITY_USER);
+
+  // Put list into a GtkListStore
+  GtkListStore *store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);
+
+  GtkTreeIter iter;
+  for (int i = 0; i < count; ++i) {
+    gtk_list_store_append(store, &iter);
+    gtk_list_store_set(store, &iter,
+      COLUMN_ITEM, list[i],
+      COLUMN_INDEX, i,
+      -1);
+  }
+
+  // Dervice a TreeView from the ListStore
+  GtkWidget *treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
+  int selected_index = -1;
+  g_object_set_data(G_OBJECT(treeview), "selected_index", &selected_index);
+
+  GtkCellRenderer* renderer = gtk_cell_renderer_text_new ();
+  gtk_tree_view_insert_column_with_attributes (
+    GTK_TREE_VIEW(treeview),
+    -1,      
+    "",  
+    renderer,
+    "text", COLUMN_ITEM,
+    NULL
+  );
+  gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
+
+  // Put the TreeView into a ScrolledWindow
+  GtkWidget* scrollable = gtk_scrolled_window_new(NULL, NULL);
+  gtk_container_add(GTK_CONTAINER(scrollable), treeview);
+
+  // Put a nice frame around the window to match the original 
+  GtkWidget* frame = gtk_frame_new(NULL);
+  gtk_container_add(GTK_CONTAINER(frame), scrollable);
+
+
+  GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_window_set_title(GTK_WINDOW(window), title);
+  gtk_window_set_default_size(GTK_WINDOW(window), 454, 388);
+  g_signal_connect(G_OBJECT(window), "destroy", gtk_main_quit, NULL);
+
+  GtkWidget* box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10);
+  gtk_widget_set_name(box, "box");
+  gtk_container_add(GTK_CONTAINER(window), box);
+  gtk_box_pack_start(
+    GTK_BOX(box),
+    frame,
+    TRUE,
+    TRUE,
+    0
+  );
+
+  GtkWidget* buttons = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
+  gtk_box_pack_end(
+    GTK_BOX(box),
+    buttons,
+    FALSE,
+    FALSE,
+    0
+  );
+  gtk_widget_set_halign(buttons, GTK_ALIGN_END);
+  gtk_widget_set_valign(buttons, GTK_ALIGN_START);
+
+  GtkWidget* ok_button = gtk_button_new_with_label("OK");
+  gtk_widget_set_size_request(ok_button, 75, 40);
+  g_signal_connect(G_OBJECT(ok_button), "clicked", G_CALLBACK(button_callback), treeview);
+  gtk_container_add(GTK_CONTAINER(buttons), ok_button);
+
+  GtkWidget* cancel_button = gtk_button_new_with_label("Cancel");
+  gtk_widget_set_size_request(cancel_button, 75, 40);
+  g_signal_connect(G_OBJECT(cancel_button), "clicked", gtk_main_quit, NULL);
+  gtk_container_add(GTK_CONTAINER(buttons), cancel_button);
+
+  gtk_widget_show_all(window);
+  gtk_main();
+
+  return selected_index;
+}