--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/image.c Sun Oct 13 21:28:09 2024 +0200
@@ -0,0 +1,118 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2024 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "image.h"
+
+#include "container.h"
+#include "../common/context.h"
+#include "../common/object.h"
+
+
+UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs args) {
+ UiObject *current = uic_current_obj(obj);
+
+ GtkWidget *scrolledwindow = SCROLLEDWINDOW_NEW();
+ GtkWidget *image = gtk_image_new();
+
+#if GTK_MAJOR_VERSION < 4
+ GtkWidget *eventbox = gtk_event_box_new();
+ SCROLLEDWINDOW_SET_CHILD(scrolledwindow, event_box);
+ gtk_container_add(GTK_CONTAINER(eventbox), image);
+#else
+ SCROLLEDWINDOW_SET_CHILD(scrolledwindow, image);
+#endif
+
+ UI_APPLY_LAYOUT1(current, args);
+ current->container->add(current->container, scrolledwindow, TRUE);
+
+ UiVar *var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_GENERIC);
+ if(var) {
+ UiGeneric *value = var->value;
+ value->get = ui_imageviewer_get;
+ value->get_type = ui_imageviewer_get_type;
+ value->set = ui_imageviewer_set;
+ value->obj = image;
+ if(value->value && value->type && !strcmp(value->type, UI_IMAGE_OBJECT_TYPE)) {
+ GdkPixbuf *pixbuf = value->value;
+ value->value = NULL;
+ ui_imageviewer_set(value, pixbuf, UI_IMAGE_OBJECT_TYPE);
+ }
+ }
+
+ return scrolledwindow;
+}
+
+void* ui_imageviewer_get(UiGeneric *g) {
+
+}
+
+const char* ui_imageviewer_get_type(UiGeneric *g) {
+
+}
+
+int ui_imageviewer_set(UiGeneric *g, void *value, const char *type) {
+ if(!type || strcmp(type, UI_IMAGE_OBJECT_TYPE)) {
+ return 1;
+ }
+
+ // TODO: do we need to free the previous value here?
+
+ g->value = value;
+ g->type = type;
+ GdkPixbuf *pixbuf = value;
+
+ if(pixbuf) {
+#if GTK_CHECK_VERSION(4, 12, 0)
+ GdkTexture *texture = gdk_texture_new_for_pixbuf(pixbuf);
+ gtk_image_set_from_paintable(GTK_IMAGE(g->obj), GDK_PAINTABLE(texture));
+#else
+ gtk_image_set_from_pixbuf(GTK_IMAGE(g->obj), pixbuf);
+#endif
+ }
+
+
+ return 0;
+}
+
+
+
+int ui_image_load_file(UiGeneric *obj, const char *path) {
+ GError *error = NULL;
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error);
+ if(!pixbuf) {
+ return 1;
+ }
+
+ if(obj->set) {
+ obj->set(obj, pixbuf, UI_IMAGE_OBJECT_TYPE);
+ } else {
+ obj->value = pixbuf;
+ }
+
+ return 0;
+}