1 #include <jni.h>
2 #include <stdio.h>
3 #include <jni_util.h>
4 #include <string.h>
5 #include "gtk2_interface.h"
6 #include "sun_awt_X11_GtkFileDialogPeer.h"
7
8 static JavaVM *jvm;
9 static GtkWidget *dialog = NULL;
10
11 /* To cache some method IDs */
12 static jmethodID filenameFilterCallbackMethodID = NULL;
13 static jmethodID setFileInternalMethodID = NULL;
14
15 static gboolean filenameFilterCallback(const GtkFileFilterInfo * filter_info, gpointer obj)
16 {
17 JNIEnv *env;
18 jclass cx;
19 jstring filename;
20
21 env = (JNIEnv *) JNU_GetEnv(jvm, JNI_VERSION_1_2);
22
23 if (filenameFilterCallbackMethodID == NULL) {
24 cx = (*env)->GetObjectClass(env, (jobject) obj);
25 if (cx == NULL) {
26 JNU_ThrowInternalError(env, "Could not get file filter class");
27 return 0;
28 }
29
30 filenameFilterCallbackMethodID = (*env)->GetMethodID(env, cx,
31 "filenameFilterCallback", "(Ljava/lang/String;)Z");
32 if (filenameFilterCallbackMethodID == NULL) {
33 JNU_ThrowInternalError(env,
34 "Could not get filenameFilterCallback method id");
35 return 0;
36 }
37 }
38
39 filename = (*env)->NewStringUTF(env, filter_info->filename);
40
41 return (*env)->CallBooleanMethod(env, obj, filenameFilterCallbackMethodID,
42 filename);
43 }
44
45 /*
46 * Class: sun_awt_X11_GtkFileDialogPeer
47 * Method: quit
48 * Signature: ()V
49 */
50 JNIEXPORT void JNICALL Java_sun_awt_X11_GtkFileDialogPeer_quit
51 (JNIEnv * env, jobject jpeer)
52 {
53 if (dialog != NULL)
54 {
55 fp_gtk_widget_hide (dialog);
56 fp_gtk_widget_destroy (dialog);
57
58 fp_gtk_main_quit ();
59 dialog = NULL;
60 }
61 }
62
63 /**
64 * Convert a GSList to an array of filenames (without the parent folder)
65 */
66 static jobjectArray toFilenamesArray(JNIEnv *env, GSList* list)
67 {
68 jstring str;
69 jclass stringCls;
70 GSList *iterator;
71 jobjectArray array;
72 int i;
73 char* entry;
74
75 if (NULL == list) {
76 return NULL;
77 }
78
79 stringCls = (*env)->FindClass(env, "java/lang/String");
80 if (stringCls == NULL) {
81 JNU_ThrowInternalError(env, "Could not get java.lang.String class");
82 return NULL;
83 }
84
85 array = (*env)->NewObjectArray(env, fp_gtk_g_slist_length(list), stringCls,
86 NULL);
87 if (array == NULL) {
88 JNU_ThrowInternalError(env, "Could not instantiate array files array");
89 return NULL;
90 }
91
92 i = 0;
93 for (iterator = list; iterator; iterator = iterator->next) {
94 entry = (char*) iterator->data;
95 entry = strrchr(entry, '/') + 1;
96 str = (*env)->NewStringUTF(env, entry);
97 (*env)->SetObjectArrayElement(env, array, i, str);
98 i++;
99 }
100
101 return array;
102 }
103
104 static void handle_response(GtkWidget* aDialog, gint responseId, gpointer obj)
105 {
106 JNIEnv *env;
107 char *current_folder;
108 GSList *filenames;
109 jclass cx;
110 jstring jcurrent_folder;
111 jobjectArray jfilenames;
112
113 env = (JNIEnv *) JNU_GetEnv(jvm, JNI_VERSION_1_2);
114 current_folder = NULL;
115 filenames = NULL;
116
117 if (responseId == GTK_RESPONSE_ACCEPT) {
118 current_folder = fp_gtk_file_chooser_get_current_folder(
119 GTK_FILE_CHOOSER(dialog));
120 filenames = fp_gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
121 }
122
123 if (setFileInternalMethodID == NULL) {
124 cx = (*env)->GetObjectClass(env, (jobject) obj);
125 if (cx == NULL) {
126 JNU_ThrowInternalError(env, "Could not get GTK peer class");
127 return;
128 }
129
130 setFileInternalMethodID = (*env)->GetMethodID(env, cx,
131 "setFileInternal", "(Ljava/lang/String;[Ljava/lang/String;)V");
132 if (setFileInternalMethodID == NULL) {
133 JNU_ThrowInternalError(env,
134 "Could not get setFileInternalMethodID method id");
135 return;
136 }
137 }
138
139 jcurrent_folder = (*env)->NewStringUTF(env, current_folder);
140 jfilenames = toFilenamesArray(env, filenames);
141
142 (*env)->CallVoidMethod(env, obj, setFileInternalMethodID, jcurrent_folder,
143 jfilenames);
144 fp_g_free(current_folder);
145
146 Java_sun_awt_X11_GtkFileDialogPeer_quit(NULL, NULL);
147 }
148
149 /*
150 * Class: sun_awt_X11_GtkFileDialogPeer
151 * Method: run
152 * Signature: (Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;Ljava/io/FilenameFilter;Z;)V
153 */
154 JNIEXPORT void JNICALL
155 Java_sun_awt_X11_GtkFileDialogPeer_run(JNIEnv * env, jobject jpeer,
156 jstring jtitle, jint mode, jstring jdir, jstring jfile,
157 jobject jfilter, jboolean multiple)
158 {
159 GtkFileFilter *filter;
160
161 if (jvm == NULL) {
162 (*env)->GetJavaVM(env, &jvm);
163 }
164
165 fp_gdk_threads_init();
166 fp_gdk_threads_enter();
167
168 const char *title = (*env)->GetStringUTFChars(env, jtitle, 0);
169
170 if (mode == 1) {
171 /* Save action */
172 dialog = fp_gtk_file_chooser_dialog_new(title, NULL,
173 GTK_FILE_CHOOSER_ACTION_SAVE, GTK_STOCK_CANCEL,
174 GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
175 }
176 else {
177 /* Default action OPEN */
178 dialog = fp_gtk_file_chooser_dialog_new(title, NULL,
179 GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL,
180 GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
181
182 /* Set multiple selection mode, that is allowed only in OPEN action */
183 if (multiple) {
184 fp_gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog),
185 multiple);
186 }
187 }
188
189 (*env)->ReleaseStringUTFChars(env, jtitle, title);
190
191 /* Set the directory */
192 if (jdir != NULL) {
193 const char *dir = (*env)->GetStringUTFChars(env, jdir, 0);
194 fp_gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), dir);
195 (*env)->ReleaseStringUTFChars(env, jdir, dir);
196 }
197
198 /* Set the filename */
199 if (jfile != NULL) {
200 const char *filename = (*env)->GetStringUTFChars(env, jfile, 0);
201 fp_gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), filename);
202 (*env)->ReleaseStringUTFChars(env, jfile, filename);
203 }
204
205 /* Set the file filter */
206 if (jfilter != NULL) {
207 filter = fp_gtk_file_filter_new();
208 fp_gtk_file_filter_add_custom(filter, GTK_FILE_FILTER_FILENAME,
209 filenameFilterCallback, jpeer, NULL);
210 fp_gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
211 }
212
213 /* Other Properties */
214 if (fp_gtk_check_version(2, 8, 0) == NULL) {
215 fp_gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(
216 dialog), TRUE);
217 }
218
219 fp_g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(
220 handle_response), jpeer);
221 fp_gtk_widget_show(dialog);
222
223 fp_gtk_main();
224 fp_gdk_threads_leave();
225 }