comparison: ui/gtk/image.c
ui/gtk/image.c
- branch
- newapi
- changeset 339
- b68b5f984074
equal
deleted
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| 338:6d827f85e0f5 | 339:b68b5f984074 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2024 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include "image.h" | |
| 30 | |
| 31 #include "container.h" | |
| 32 #include "../common/context.h" | |
| 33 #include "../common/object.h" | |
| 34 | |
| 35 | |
| 36 UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs args) { | |
| 37 UiObject *current = uic_current_obj(obj); | |
| 38 | |
| 39 GtkWidget *scrolledwindow = SCROLLEDWINDOW_NEW(); | |
| 40 GtkWidget *image = gtk_image_new(); | |
| 41 | |
| 42 #if GTK_MAJOR_VERSION < 4 | |
| 43 GtkWidget *eventbox = gtk_event_box_new(); | |
| 44 SCROLLEDWINDOW_SET_CHILD(scrolledwindow, event_box); | |
| 45 gtk_container_add(GTK_CONTAINER(eventbox), image); | |
| 46 #else | |
| 47 SCROLLEDWINDOW_SET_CHILD(scrolledwindow, image); | |
| 48 #endif | |
| 49 | |
| 50 UI_APPLY_LAYOUT1(current, args); | |
| 51 current->container->add(current->container, scrolledwindow, TRUE); | |
| 52 | |
| 53 UiVar *var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_GENERIC); | |
| 54 if(var) { | |
| 55 UiGeneric *value = var->value; | |
| 56 value->get = ui_imageviewer_get; | |
| 57 value->get_type = ui_imageviewer_get_type; | |
| 58 value->set = ui_imageviewer_set; | |
| 59 value->obj = image; | |
| 60 if(value->value && value->type && !strcmp(value->type, UI_IMAGE_OBJECT_TYPE)) { | |
| 61 GdkPixbuf *pixbuf = value->value; | |
| 62 value->value = NULL; | |
| 63 ui_imageviewer_set(value, pixbuf, UI_IMAGE_OBJECT_TYPE); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 return scrolledwindow; | |
| 68 } | |
| 69 | |
| 70 void* ui_imageviewer_get(UiGeneric *g) { | |
| 71 | |
| 72 } | |
| 73 | |
| 74 const char* ui_imageviewer_get_type(UiGeneric *g) { | |
| 75 | |
| 76 } | |
| 77 | |
| 78 int ui_imageviewer_set(UiGeneric *g, void *value, const char *type) { | |
| 79 if(!type || strcmp(type, UI_IMAGE_OBJECT_TYPE)) { | |
| 80 return 1; | |
| 81 } | |
| 82 | |
| 83 // TODO: do we need to free the previous value here? | |
| 84 | |
| 85 g->value = value; | |
| 86 g->type = type; | |
| 87 GdkPixbuf *pixbuf = value; | |
| 88 | |
| 89 if(pixbuf) { | |
| 90 #if GTK_CHECK_VERSION(4, 12, 0) | |
| 91 GdkTexture *texture = gdk_texture_new_for_pixbuf(pixbuf); | |
| 92 gtk_image_set_from_paintable(GTK_IMAGE(g->obj), GDK_PAINTABLE(texture)); | |
| 93 #else | |
| 94 gtk_image_set_from_pixbuf(GTK_IMAGE(g->obj), pixbuf); | |
| 95 #endif | |
| 96 } | |
| 97 | |
| 98 | |
| 99 return 0; | |
| 100 } | |
| 101 | |
| 102 | |
| 103 | |
| 104 int ui_image_load_file(UiGeneric *obj, const char *path) { | |
| 105 GError *error = NULL; | |
| 106 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error); | |
| 107 if(!pixbuf) { | |
| 108 return 1; | |
| 109 } | |
| 110 | |
| 111 if(obj->set) { | |
| 112 obj->set(obj, pixbuf, UI_IMAGE_OBJECT_TYPE); | |
| 113 } else { | |
| 114 obj->value = pixbuf; | |
| 115 } | |
| 116 | |
| 117 return 0; | |
| 118 } |
