implement GTK3 gui-helper

.github/workflows/build.yml

@@ -63,13 +63,10 @@ jobs:
  - name: Install libcurl
  run: |
  sudo apt-get update
- sudo apt-get install -y libcurl4-openssl-dev
+ sudo apt-get install -y libcurl4-openssl-dev libgtk-3-dev
 
  - name: Build
  run: sudo make
-
- - name: Copy libiup.so to linux-release/
- run: cp lib/linux/libiup.so linux-release/
 
  - uses: actions/upload-artifact@v3
  with:

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)
+ $(CC) -g sgdboop.c curl-helper.c gui-helper-gtk.c string-helpers.c crc.c $(shell $(PKG_CONFIG) --cflags --libs gtk+-3.0 libcurl) -o linux-release/SGDBoop $(LDFLAGS)
 
 ifdef FLATPAK_ID
 .PHONY: install

gui-helper-gtk.c

@@ -0,0 +1,149 @@
+#include "gui-helper.h"
+#include <gtk/gtk.h>
+
+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); 
+ gtk_main_quit();
+ }
+}
+
+int SelectionDialog(const char* title, int count, const char** list, int selection)
+{
+ gtk_init(NULL, NULL);
+
+ int selected_index = -1;
+
+ // Setup a stylesheet 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));
+ // Attached the selected index to the treeview so we can easily reference it in the button callback
+ g_object_set_data(G_OBJECT(treeview), "selected_index", &selected_index);
+ gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
+
+ // Change selection mode to single and set the current selected option if needed
+ { 
+ GtkTreeSelection* treeselection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
+ gtk_tree_selection_set_mode(treeselection, GTK_SELECTION_SINGLE);
+
+ if (selection < count && selection >= 0) {
+ GtkTreePath *path = gtk_tree_path_new_from_indices(selection, -1);
+ gtk_tree_selection_select_path(treeselection, path);
+ gtk_tree_path_free(path);
+ }
+ }
+
+ // Define TreeView Cell Layout in the UI
+ { 
+ GtkCellRenderer* renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (
+ GTK_TREE_VIEW(treeview),
+ -1, 
+ "", 
+ renderer,
+ "text", COLUMN_ITEM,
+ NULL
+ );
+ }
+
+ // 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;
+}