#46: First draft for file open handle. Still buggy when multiple windows are opened

gds-render-gui.c

@@ -274,25 +274,13 @@ const struct gds_cell_statistics cc =  {
  */
 static void on_load_gds(gpointer button, gpointer user)
 {
-	GList *cell;
-	GtkTreeIter libiter;
-	GtkTreeIter celliter;
-	GList *lib;
-	struct gds_library *gds_lib;
-	struct gds_cell *gds_c;
+	(void)button;
 	GdsRenderGui *self;
 	GtkWidget *open_dialog;
 	GtkFileChooser *file_chooser;
 	GtkFileFilter *filter;
-	GtkStyleContext *button_style;
 	gint dialog_result;
-	int gds_result;
 	char *filename;
-	unsigned int cell_error_level;
-
-	const struct gds_library_parsing_opts gds_parsing_options = {
-		.simplified_polygons = 1,
-	};
 
 	self = RENDERER_GUI(user);
 	if (!self)
@@ -319,59 +307,9 @@ static void on_load_gds(gpointer button, gpointer user)
 	/* Get File name */
 	filename = gtk_file_chooser_get_filename(file_chooser);
 
-	gtk_tree_store_clear(self->cell_tree_store);
-	clear_lib_list(&self->gds_libraries);
+	gds_render_gui_open_gds(self, filename);
 
-	/* Parse new GDSII file */
-	gds_result = parse_gds_from_file(filename, &self->gds_libraries, &gds_parsing_options);
-
-	/* Delete file name afterwards */
 	g_free(filename);
-	if (gds_result)
-		goto end_destroy;
-
-	/* remove suggested action from Open button */
-	button_style = gtk_widget_get_style_context(GTK_WIDGET(button));
-	gtk_style_context_remove_class(button_style, "suggested-action");
-
-	for (lib = self->gds_libraries; lib != NULL; lib = lib->next) {
-		gds_lib = (struct gds_library *)lib->data;
-		/* Create top level iter */
-		gtk_tree_store_append(self->cell_tree_store, &libiter, NULL);
-
-		gtk_tree_store_set(self->cell_tree_store, &libiter,
-				   CELL_SEL_LIBRARY, gds_lib,
-				   -1);
-
-		/* Check this library. This might take a while */
-		(void)gds_tree_check_cell_references(gds_lib);
-		(void)gds_tree_check_reference_loops(gds_lib);
-
-		for (cell = gds_lib->cells; cell != NULL; cell = cell->next) {
-			gds_c = (struct gds_cell *)cell->data;
-			gtk_tree_store_append(self->cell_tree_store, &celliter, &libiter);
-
-			/* Get the checking results for this cell */
-			cell_error_level = 0;
-			if (gds_c->checks.unresolved_child_count)
-				cell_error_level |= LIB_CELL_RENDERER_ERROR_WARN;
-
-			/* Check if it is completely b0rken */
-			if (gds_c->checks.affected_by_reference_loop)
-				cell_error_level |= LIB_CELL_RENDERER_ERROR_ERR;
-
-			/* Add cell to tree store model */
-			gtk_tree_store_set(self->cell_tree_store, &celliter,
-					   CELL_SEL_CELL, gds_c,
-					   CELL_SEL_CELL_ERROR_STATE, cell_error_level,
-					   CELL_SEL_LIBRARY, gds_c->parent_library,
-					   CELL_SEL_STAT, &gds_c->stats,
-					   -1);
-		} /* for cells */
-	} /* for libraries */
-
-	/* Create Layers in Layer Box */
-	layer_selector_generate_layer_widgets(self->layer_selector, self->gds_libraries);
 
 end_destroy:
 	/* Destroy dialog and filter */
@@ -758,6 +696,76 @@ GtkWindow *gds_render_gui_get_main_window(GdsRenderGui *gui)
 	return gui->main_window;
 }
 
+void gds_render_gui_open_gds(GdsRenderGui *self, const char *path)
+{
+	GList *cell;
+	GtkTreeIter libiter;
+	GtkTreeIter celliter;
+	GList *lib;
+	struct gds_library *gds_lib;
+	struct gds_cell *gds_c;
+	GtkStyleContext *button_style;
+	int gds_result;
+	unsigned int cell_error_level;
+
+	const struct gds_library_parsing_opts gds_parsing_options = {
+		.simplified_polygons = 1,
+	};
+
+	gtk_tree_store_clear(self->cell_tree_store);
+	clear_lib_list(&self->gds_libraries);
+
+	/* Parse new GDSII file */
+	gds_result = parse_gds_from_file(path, &self->gds_libraries, &gds_parsing_options);
+
+	/* Delete file name afterwards */
+	if (gds_result)
+		return;
+
+	/* remove suggested action from Open button */
+	button_style = gtk_widget_get_style_context(self->open_button);
+	gtk_style_context_remove_class(button_style, "suggested-action");
+
+	for (lib = self->gds_libraries; lib != NULL; lib = lib->next) {
+		gds_lib = (struct gds_library *)lib->data;
+		/* Create top level iter */
+		gtk_tree_store_append(self->cell_tree_store, &libiter, NULL);
+
+		gtk_tree_store_set(self->cell_tree_store, &libiter,
+				   CELL_SEL_LIBRARY, gds_lib,
+				   -1);
+
+		/* Check this library. This might take a while */
+		(void)gds_tree_check_cell_references(gds_lib);
+		(void)gds_tree_check_reference_loops(gds_lib);
+
+		for (cell = gds_lib->cells; cell != NULL; cell = cell->next) {
+			gds_c = (struct gds_cell *)cell->data;
+			gtk_tree_store_append(self->cell_tree_store, &celliter, &libiter);
+
+			/* Get the checking results for this cell */
+			cell_error_level = 0;
+			if (gds_c->checks.unresolved_child_count)
+				cell_error_level |= LIB_CELL_RENDERER_ERROR_WARN;
+
+			/* Check if it is completely b0rken */
+			if (gds_c->checks.affected_by_reference_loop)
+				cell_error_level |= LIB_CELL_RENDERER_ERROR_ERR;
+
+			/* Add cell to tree store model */
+			gtk_tree_store_set(self->cell_tree_store, &celliter,
+					   CELL_SEL_CELL, gds_c,
+					   CELL_SEL_CELL_ERROR_STATE, cell_error_level,
+					   CELL_SEL_LIBRARY, gds_c->parent_library,
+					   CELL_SEL_STAT, &gds_c->stats,
+					   -1);
+		} /* for cells */
+	} /* for libraries */
+
+	/* Create Layers in Layer Box */
+	layer_selector_generate_layer_widgets(self->layer_selector, self->gds_libraries);
+}
+
 static void gds_render_gui_init(GdsRenderGui *self)
 {
 	GtkBuilder *main_builder;

include/gds-render/gds-render-gui.h

@@ -54,6 +54,13 @@ GdsRenderGui *gds_render_gui_new();
  */
 GtkWindow *gds_render_gui_get_main_window(GdsRenderGui *gui);
 
+/**
+ * @brief gds_render_gui_open_gds Open a GDS file. Emulates the manual load via GUI open button
+ * @param self GUI instance
+ * @param path file path
+ */
+void gds_render_gui_open_gds(GdsRenderGui *self, const char *path);
+
 G_END_DECLS
 
 /** @} */

main.c

@@ -40,6 +40,8 @@
 struct application_data {
 		GtkApplication *app;
 		GList *gui_list;
+		gint num_files_to_open;
+		GFile **files;
 };
 
 /**
@@ -158,6 +160,7 @@ static void gapp_activate(GApplication *app, gpointer user_data)
 {
 	GtkWindow *main_window;
 	GdsRenderGui *gui;
+	char *open_file_path;
 	struct application_data * const appdata = (struct application_data *)user_data;
 
 	gui = gds_render_gui_new();
@@ -166,11 +169,32 @@ static void gapp_activate(GApplication *app, gpointer user_data)
 	g_signal_connect(gui, "window-closed", G_CALLBACK(gui_window_closed_callback), &appdata->gui_list);
 
 	main_window = gds_render_gui_get_main_window(gui);
-
+	if (appdata->num_files_to_open >= 1) {
+		/* Open first file. Multiple files are not supported and ignored */
+		open_file_path = g_file_get_path(appdata->files[0]);
+		gds_render_gui_open_gds(gui, open_file_path);
+		g_free(open_file_path);
+	}
 	gtk_application_add_window(GTK_APPLICATION(app), main_window);
 	gtk_widget_show(GTK_WIDGET(main_window));
 }
 
+/**
+ * @brief Activation of GUI when opening a file from commandline
+ * @param app he GApplication reference
+ * @param user_data Used to store the individual GUI instances.
+ */
+static void gapp_activate_open(GApplication *app, GFile** files, gint n_files, const gchar* hint, gpointer user_data)
+{
+	(void)hint;
+	struct application_data *appdata = (struct application_data *)user_data;
+
+	appdata->files = files;
+	appdata->num_files_to_open = n_files;
+
+	gapp_activate(app, user_data);
+}
+
 /**
  * @brief Start the graphical interface.
  *
@@ -188,7 +212,9 @@ static int start_gui(int argc, char **argv)
 	GString *application_domain;
 	int app_status;
 	static struct application_data appdata = {
-		.gui_list = NULL
+		.gui_list = NULL,
+		.num_files_to_open = 0,
+		.files = NULL,
 	};
 	GMenu *menu;
 	GMenu *m_quit;
@@ -201,10 +227,11 @@ static int start_gui(int argc, char **argv)
 	application_domain = g_string_new(NULL);
 	g_string_printf(application_domain, "de.shimatta.gds_render_%s", _app_git_commit);
 
-	gapp = gtk_application_new(application_domain->str, G_APPLICATION_FLAGS_NONE);
+	gapp = gtk_application_new(application_domain->str, G_APPLICATION_HANDLES_OPEN);
 	g_string_free(application_domain, TRUE);
 
 	g_application_register(G_APPLICATION(gapp), NULL, NULL);
+	g_signal_connect(gapp, "open", G_CALLBACK(gapp_activate_open), &appdata);
 	g_signal_connect(gapp, "activate", G_CALLBACK(gapp_activate), &appdata);
 
 	if (g_application_get_is_remote(G_APPLICATION(gapp)) == TRUE) {
@@ -311,7 +338,8 @@ int main(int argc, char **argv)
 		goto ret_status;
 	}
 
-	if (argc >= 2) {
+	/* A minimum of a file name and a cell or analyze command are needed to use CLI */
+	if (argc >= 2 && (analyze || cellname || output_paths)) {
 		if (scale < 1) {
 			printf(_("Scale < 1 not allowed. Setting to 1\n"));
 			scale = 1;