Mercurial > hg > toolkit / file comparison

comparison: ui/gtk/image.c

ui/gtk/image.c

changeset 431
bb7da585debc
parent 390
b130f80ec7f9
equal deleted inserted replaced
169:fe49cff3c571 431:bb7da585debc
1 /* 1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 * 3 *
4 * Copyright 2017 Olaf Wintermann. All rights reserved. 4 * Copyright 2024 Olaf Wintermann. All rights reserved.
5 * 5 *
6 * Redistribution and use in source and binary forms, with or without 6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met: 7 * modification, are permitted provided that the following conditions are met:
8 * 8 *
9 * 1. Redistributions of source code must retain the above copyright 9 * 1. Redistributions of source code must retain the above copyright
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 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 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE. 26 * POSSIBILITY OF SUCH DAMAGE.
27 */ 27 */
28 28
29 #include <stdio.h> 29 #include "image.h"
30 #include <stdlib.h>
31 #include <string.h>
32 #include <ucx/map.h>
33 30
34 #include "toolkit.h" 31 #include "container.h"
35 #include "image.h" 32 #include "menu.h"
36 #include "../common/properties.h" 33 #include "../common/context.h"
34 #include "../common/object.h"
37 35
38 static UcxMap *image_map;
39 36
40 static GtkIconTheme *icon_theme; 37 UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs args) {
41 38 UiObject *current = uic_current_obj(obj);
42 void ui_image_init(void) {
43 image_map = ucx_map_new(8);
44 39
45 icon_theme = gtk_icon_theme_get_default(); 40 GtkWidget *scrolledwindow = SCROLLEDWINDOW_NEW();
41 #if GTK_CHECK_VERSION(4, 0, 0)
42 GtkWidget *image = gtk_picture_new();
43 #else
44 GtkWidget *image = gtk_image_new();
45 #endif
46
47 ui_set_name_and_style(image, args.name, args.style_class);
48
49 #if GTK_MAJOR_VERSION < 4
50 GtkWidget *eventbox = gtk_event_box_new();
51 SCROLLEDWINDOW_SET_CHILD(scrolledwindow, eventbox);
52 gtk_container_add(GTK_CONTAINER(eventbox), image);
53 #else
54 SCROLLEDWINDOW_SET_CHILD(scrolledwindow, image);
55 GtkWidget *eventbox = image;
56 #endif
57
58 UI_APPLY_LAYOUT1(current, args);
59 current->container->add(current->container, scrolledwindow, TRUE);
60
61 UiVar *var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_GENERIC);
62 if(var) {
63 UiGeneric *value = var->value;
64 value->get = ui_imageviewer_get;
65 value->get_type = ui_imageviewer_get_type;
66 value->set = ui_imageviewer_set;
67 value->obj = image;
68 if(value->value && value->type && !strcmp(value->type, UI_IMAGE_OBJECT_TYPE)) {
69 GdkPixbuf *pixbuf = value->value;
70 value->value = NULL;
71 ui_imageviewer_set(value, pixbuf, UI_IMAGE_OBJECT_TYPE);
72 }
73 }
74
75 if(args.contextmenu) {
76 UIMENU menu = ui_contextmenu_create(args.contextmenu, obj, eventbox);
77 ui_widget_set_contextmenu(eventbox, menu);
78 }
79
80 return scrolledwindow;
46 } 81 }
47 82
48 // **** deprecated functions **** 83 void* ui_imageviewer_get(UiGeneric *g) {
49 84 return g->value;
50 GdkPixbuf* ui_get_image(const char *name) {
51 UiImage *img = ucx_map_cstr_get(image_map, name);
52 if(img) {
53 return img->pixbuf;
54 } else {
55 //ui_add_image(name, name);
56 //return ucx_map_cstr_get(image_map, name);
57 // TODO
58 return NULL;
59 }
60 } 85 }
61 86
62 // **** new functions **** 87 const char* ui_imageviewer_get_type(UiGeneric *g) {
63 88
64 static UiIcon* get_icon(const char *name, int size, int scale) {
65 #ifdef UI_SUPPORTS_SCALE
66 GtkIconInfo *info = gtk_icon_theme_lookup_icon_for_scale(icon_theme, name, size, scale, 0);
67 #else
68 GtkIconInfo *info = gtk_icon_theme_lookup_icon(icon_theme, name, size, 0);
69 #endif
70 if(info) {
71 UiIcon *icon = malloc(sizeof(UiIcon));
72 icon->info = info;
73 return icon;
74 }
75 return NULL;
76 } 89 }
77 90
78 UiIcon* ui_icon(const char *name, int size) { 91 int ui_imageviewer_set(UiGeneric *g, void *value, const char *type) {
79 return get_icon(name, size, ui_get_scalefactor()); 92 if(!type || strcmp(type, UI_IMAGE_OBJECT_TYPE)) {
93 return 1;
94 }
95
96 // TODO: do we need to free the previous value here?
97
98 g->value = value;
99 g->type = type;
100 GdkPixbuf *pixbuf = value;
101
102 if(pixbuf) {
103 int width = gdk_pixbuf_get_width(pixbuf);
104 int height = gdk_pixbuf_get_height(pixbuf);
105
106 #if GTK_CHECK_VERSION(4, 0, 0)
107 GdkTexture *texture = gdk_texture_new_for_pixbuf(pixbuf);
108 gtk_picture_set_paintable(GTK_PICTURE(g->obj), GDK_PAINTABLE(texture));
109 #else
110 gtk_image_set_from_pixbuf(GTK_IMAGE(g->obj), pixbuf);
111 #endif
112 gtk_widget_set_size_request(g->obj, width, height);
113 }
114
115
116 return 0;
80 } 117 }
81 118
82 UiIcon* ui_icon_unscaled(const char *name, int size) {
83 return get_icon(name, size, 1);
84 }
85 119
86 void ui_free_icon(UiIcon *icon) {
87 g_object_unref(icon->info);
88 free(icon);
89 }
90 120
91 UiImage* ui_icon_image(UiIcon *icon) { 121 int ui_image_load_file(UiGeneric *obj, const char *path) {
92 GError *error = NULL;
93 GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error);
94 if(pixbuf) {
95 UiImage *img = malloc(sizeof(UiImage));
96 img->pixbuf = pixbuf;
97 return img;
98 }
99 return NULL;
100 }
101
102 UiImage* ui_image(const char *filename) {
103 return ui_named_image(filename, NULL);
104 }
105
106 UiImage* ui_named_image(const char *filename, const char *name) {
107 char *path = uic_get_image_path(filename);
108 if(!path) {
109 fprintf(stderr, "UiError: pixmaps directory not set\n");
110 return NULL;
111 }
112 UiImage *img = ui_load_image_from_path(path, name);
113 free(path);
114 return img;
115 }
116
117 UiImage* ui_load_image_from_path(const char *path, const char *name) {
118 GError *error = NULL; 122 GError *error = NULL;
119 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error); 123 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error);
120 if(!pixbuf) { 124 if(!pixbuf) {
121 fprintf(stderr, "UiError: Cannot load image: %s\n", path); 125 return 1;
122 return NULL;
123 } 126 }
124 127
125 UiImage *img = malloc(sizeof(UiImage)); 128 if(obj->set) {
126 img->pixbuf = pixbuf; 129 obj->set(obj, pixbuf, UI_IMAGE_OBJECT_TYPE);
127 if(name) { 130 } else {
128 ucx_map_cstr_put(image_map, name, img); 131 obj->value = pixbuf;
129 } 132 }
130 return img; 133
134 return 0;
131 } 135 }
132
133 void ui_free_image(UiImage *img) {
134 g_object_unref(img->pixbuf);
135 free(img);
136 }

Mercurial Repository: toolkit

mercurial