diff -r 6d827f85e0f5 -r b68b5f984074 ui/gtk/image.c --- /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; +}