UNIXworkcode

/* * 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 "menu.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(); #if GTK_CHECK_VERSION(4, 0, 0) GtkWidget *image = gtk_picture_new(); #else GtkWidget *image = gtk_image_new(); #endif ui_set_name_and_style(image, args.name, args.style_class); #if GTK_MAJOR_VERSION < 4 GtkWidget *eventbox = gtk_event_box_new(); SCROLLEDWINDOW_SET_CHILD(scrolledwindow, eventbox); gtk_container_add(GTK_CONTAINER(eventbox), image); #else SCROLLEDWINDOW_SET_CHILD(scrolledwindow, image); GtkWidget *eventbox = 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); } } if(args.contextmenu) { UIMENU menu = ui_contextmenu_create(args.contextmenu, obj, eventbox); ui_widget_set_contextmenu(eventbox, menu); } return scrolledwindow; } void* ui_imageviewer_get(UiGeneric *g) { return g->value; } 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) { int width = gdk_pixbuf_get_width(pixbuf); int height = gdk_pixbuf_get_height(pixbuf); #if GTK_CHECK_VERSION(4, 0, 0) GdkTexture *texture = gdk_texture_new_for_pixbuf(pixbuf); gtk_picture_set_paintable(GTK_PICTURE(g->obj), GDK_PAINTABLE(texture)); #else gtk_image_set_from_pixbuf(GTK_IMAGE(g->obj), pixbuf); #endif gtk_widget_set_size_request(g->obj, width, height); } 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; }