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comparison gtk3/dw.c @ 2006:6f1adc77de02

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GTK: Added DW_SIGNAL_HTML_CHANGED and DW_SIGNAL_HTML_RESULT. Added dw_html_javascript_run(). Full support on GTK3 using WebKit2 and partial support for WebKit1. Will port to GTK2 when WebKit1 support is complete. Mac and Windows versions coming soon.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Wed, 06 Nov 2019 13:09:31 +0000
parents a17cc1958369
children 3a26e6f6691d
comparison
equal deleted inserted replaced
2005:a17cc1958369 2006:6f1adc77de02
158 static gint _value_changed_event(GtkWidget *widget, gpointer user_data); 158 static gint _value_changed_event(GtkWidget *widget, gpointer user_data);
159 static gint _tree_select_event(GtkTreeSelection *sel, gpointer data); 159 static gint _tree_select_event(GtkTreeSelection *sel, gpointer data);
160 static gint _tree_expand_event(GtkTreeView *treeview, GtkTreeIter *arg1, GtkTreePath *arg2, gpointer data); 160 static gint _tree_expand_event(GtkTreeView *treeview, GtkTreeIter *arg1, GtkTreePath *arg2, gpointer data);
161 static gint _switch_page_event(GtkNotebook *notebook, GtkWidget *page, guint page_num, gpointer data); 161 static gint _switch_page_event(GtkNotebook *notebook, GtkWidget *page, guint page_num, gpointer data);
162 static gint _column_click_event(GtkWidget *widget, gpointer data); 162 static gint _column_click_event(GtkWidget *widget, gpointer data);
163 static void _html_result_event(GObject *object, GAsyncResult *result, gpointer script_data);
164 #ifdef USE_WEBKIT
165 #ifdef USE_WEBKIT2
166 static void _html_changed_event(WebKitWebView *web_view, WebKitLoadEvent load_event, gpointer data);
167 #else
168 static void _html_changed_event(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer user_data);
169 #endif
170 #endif
163 static void _dw_signal_disconnect(gpointer data, GClosure *closure); 171 static void _dw_signal_disconnect(gpointer data, GClosure *closure);
164 172
165 GObject *_DWObject = NULL; 173 GObject *_DWObject = NULL;
166 char *_DWDefaultFont = NULL; 174 char *_DWDefaultFont = NULL;
167 static char _dw_share_path[PATH_MAX+1] = { 0 }; 175 static char _dw_share_path[PATH_MAX+1] = { 0 };
181 gint cid; 189 gint cid;
182 void *intfunc; 190 void *intfunc;
183 191
184 } SignalHandler; 192 } SignalHandler;
185 193
186 #define SIGNALMAX 18 194 #define SIGNALMAX 20
187 195
188 /* A list of signal forwarders, to account for paramater differences. */ 196 /* A list of signal forwarders, to account for paramater differences. */
189 static SignalList SignalTranslate[SIGNALMAX] = { 197 static SignalList SignalTranslate[SIGNALMAX] = {
190 { _configure_event, DW_SIGNAL_CONFIGURE }, 198 { _configure_event, DW_SIGNAL_CONFIGURE },
191 { _key_press_event, DW_SIGNAL_KEY_PRESS }, 199 { _key_press_event, DW_SIGNAL_KEY_PRESS },
202 { _tree_select_event, DW_SIGNAL_ITEM_SELECT }, 210 { _tree_select_event, DW_SIGNAL_ITEM_SELECT },
203 { _set_focus_event, DW_SIGNAL_SET_FOCUS }, 211 { _set_focus_event, DW_SIGNAL_SET_FOCUS },
204 { _value_changed_event, DW_SIGNAL_VALUE_CHANGED }, 212 { _value_changed_event, DW_SIGNAL_VALUE_CHANGED },
205 { _switch_page_event, DW_SIGNAL_SWITCH_PAGE }, 213 { _switch_page_event, DW_SIGNAL_SWITCH_PAGE },
206 { _column_click_event, DW_SIGNAL_COLUMN_CLICK }, 214 { _column_click_event, DW_SIGNAL_COLUMN_CLICK },
207 { _tree_expand_event, DW_SIGNAL_TREE_EXPAND } 215 { _tree_expand_event, DW_SIGNAL_TREE_EXPAND },
216 #ifdef USE_WEBKIT
217 { _html_changed_event, DW_SIGNAL_HTML_CHANGED },
218 #else
219 { _generic_event, DW_SIGNAL_HTML_CHANGED },
220 #endif
221 { _html_result_event, DW_SIGNAL_HTML_RESULT }
208 }; 222 };
209 223
210 /* Alignment flags */ 224 /* Alignment flags */
211 #define DW_CENTER 0.5f 225 #define DW_CENTER 0.5f
212 #define DW_LEFT 0.0f 226 #define DW_LEFT 0.0f
1182 char text[100]; 1196 char text[100];
1183 1197
1184 sprintf(text, "_dw_sigcid%d", counter); 1198 sprintf(text, "_dw_sigcid%d", counter);
1185 g_object_set_data(G_OBJECT(widget), text, GINT_TO_POINTER(cid)); 1199 g_object_set_data(G_OBJECT(widget), text, GINT_TO_POINTER(cid));
1186 } 1200 }
1201
1202 static void _html_result_event(GObject *object, GAsyncResult *result, gpointer script_data)
1203 {
1204 #if USE_WEBKIT2
1205 WebKitJavascriptResult *js_result;
1206 JSCValue *value;
1207 GError *error = NULL;
1208 int (*htmlresultfunc)(HWND, int, char *, void *, void *) = NULL;
1209 gint handlerdata = GPOINTER_TO_INT(g_object_get_data(object, "_dw_html_result_id"));
1210 void *user_data = NULL;
1211
1212 if(handlerdata)
1213 {
1214 SignalHandler work;
1215 void *params[3] = { GINT_TO_POINTER(handlerdata-1), 0, object };
1216
1217 work = _get_signal_handler(params);
1218
1219 if(work.window)
1220 {
1221 htmlresultfunc = work.func;
1222 user_data = work.data;
1223 }
1224 }
1225
1226 if(!(js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object), result, &error)))
1227 {
1228 if(htmlresultfunc)
1229 htmlresultfunc((HWND)object, DW_ERROR_UNKNOWN, error->message, user_data, script_data);
1230 g_error_free (error);
1231 return;
1232 }
1233
1234 value = webkit_javascript_result_get_js_value(js_result);
1235 if(jsc_value_is_string(value))
1236 {
1237 gchar *str_value = jsc_value_to_string(value);
1238 JSCException *exception = jsc_context_get_exception(jsc_value_get_context(value));
1239
1240 if(htmlresultfunc)
1241 {
1242 if(exception)
1243 htmlresultfunc((HWND)object, DW_ERROR_UNKNOWN, (char *)jsc_exception_get_message(exception), user_data, script_data);
1244 else
1245 htmlresultfunc((HWND)object, DW_ERROR_NONE, str_value, user_data, script_data);
1246 }
1247 g_free (str_value);
1248 }
1249 else if(htmlresultfunc)
1250 htmlresultfunc((HWND)object, DW_ERROR_UNKNOWN, "Unknown javascript error", user_data, script_data);
1251 webkit_javascript_result_unref (js_result);
1252 #endif
1253 }
1254
1255 #ifdef USE_WEBKIT
1256 #ifdef USE_WEBKIT2
1257 static void _html_changed_event(WebKitWebView *web_view, WebKitLoadEvent load_event, gpointer data)
1258 {
1259 SignalHandler work = _get_signal_handler(data);
1260 char *location = (char *)webkit_web_view_get_uri(web_view);
1261 int status = 0;
1262
1263 switch (load_event) {
1264 case WEBKIT_LOAD_STARTED:
1265 status = DW_HTML_CHANGE_STARTED;
1266 break;
1267 case WEBKIT_LOAD_REDIRECTED:
1268 status = DW_HTML_CHANGE_REDIRECT;
1269 break;
1270 case WEBKIT_LOAD_COMMITTED:
1271 status = DW_HTML_CHANGE_LOADING;
1272 break;
1273 case WEBKIT_LOAD_FINISHED:
1274 status = DW_HTML_CHANGE_COMPLETE;
1275 break;
1276 }
1277 if(status && location && work.window && work.func)
1278 {
1279 int (*htmlchangedfunc)(HWND, int, char *, void *) = work.func;
1280
1281 htmlchangedfunc(work.window, status, location, work.data);
1282 }
1283 }
1284 #else
1285 static void _html_changed_event(WebKitWebView *web_view, WebKitWebFrame *frame, gpointer data)
1286 {
1287 SignalHandler work = _get_signal_handler(data);
1288 char *location = (char *)webkit_web_view_get_uri(web_view);
1289 int status = 0;
1290 void **params = data;
1291
1292 if(params)
1293 status = DW_POINTER_TO_INT(params[1]);
1294
1295 if(status && location && work.window && work.func)
1296 {
1297 int (*htmlchangedfunc)(HWND, int, char *, void *) = work.func;
1298
1299 htmlchangedfunc(work.window, status, location, work.data);
1300 }
1301 }
1302 #endif
1303 #endif
1187 1304
1188 static gint _set_focus_event(GtkWindow *window, GtkWidget *widget, gpointer data) 1305 static gint _set_focus_event(GtkWindow *window, GtkWidget *widget, gpointer data)
1189 { 1306 {
1190 SignalHandler work = _get_signal_handler(data); 1307 SignalHandler work = _get_signal_handler(data);
1191 int retval = FALSE; 1308 int retval = FALSE;
11300 case DW_HTML_PRINT: 11417 case DW_HTML_PRINT:
11301 { 11418 {
11302 #ifdef USE_WEBKIT2 11419 #ifdef USE_WEBKIT2
11303 WebKitPrintOperation *operation = webkit_print_operation_new(web_view); 11420 WebKitPrintOperation *operation = webkit_print_operation_new(web_view);
11304 webkit_print_operation_run_dialog(operation, NULL); 11421 webkit_print_operation_run_dialog(operation, NULL);
11422 g_object_unref(operation);
11305 #else 11423 #else
11306 WebKitWebFrame *frame = webkit_web_view_get_focused_frame(web_view); 11424 WebKitWebFrame *frame = webkit_web_view_get_focused_frame(web_view);
11307 webkit_web_frame_print(frame); 11425 webkit_web_frame_print(frame);
11308 #endif 11426 #endif
11309 } 11427 }
11369 #else 11487 #else
11370 webkit_web_view_open(web_view, url); 11488 webkit_web_view_open(web_view, url);
11371 #endif 11489 #endif
11372 gtk_widget_show(GTK_WIDGET(handle)); 11490 gtk_widget_show(GTK_WIDGET(handle));
11373 } 11491 }
11492 DW_MUTEX_UNLOCK;
11493 return DW_ERROR_NONE;
11494 #else
11495 return DW_ERROR_UNKNOWN;
11496 #endif
11497 }
11498
11499 /*
11500 * Executes the javascript contained in "script" in the HTML window.
11501 * Parameters:
11502 * handle: Handle to the HTML window.
11503 * script: Javascript code to execute.
11504 * scriptdata: Data passed to the signal handler.
11505 * Notes: A DW_SIGNAL_HTML_RESULT event will be raised with scriptdata.
11506 * Returns:
11507 * DW_ERROR_NONE (0) on success.
11508 */
11509 int dw_html_javascript_run(HWND handle, char *script, void *scriptdata)
11510 {
11511 #ifdef USE_WEBKIT2
11512 int _locked_by_me = FALSE;
11513 WebKitWebView *web_view;
11514
11515 DW_MUTEX_LOCK;
11516 if((web_view = _dw_html_web_view(handle)))
11517 webkit_web_view_run_javascript (web_view, script, NULL, _html_result_event, scriptdata);
11374 DW_MUTEX_UNLOCK; 11518 DW_MUTEX_UNLOCK;
11375 return DW_ERROR_NONE; 11519 return DW_ERROR_NONE;
11376 #else 11520 #else
11377 return DW_ERROR_UNKNOWN; 11521 return DW_ERROR_UNKNOWN;
11378 #endif 11522 #endif
11900 { 12044 {
11901 thisname = "focus-in-event"; 12045 thisname = "focus-in-event";
11902 if (GTK_IS_COMBO_BOX(thiswindow)) 12046 if (GTK_IS_COMBO_BOX(thiswindow))
11903 thiswindow = gtk_bin_get_child(GTK_BIN(thiswindow)); 12047 thiswindow = gtk_bin_get_child(GTK_BIN(thiswindow));
11904 } 12048 }
12049 #ifdef USE_WEBKIT
12050 else if (WEBKIT_IS_WEB_VIEW(thiswindow) && strcmp(signame, DW_SIGNAL_HTML_CHANGED) == 0)
12051 {
12052 #ifdef USE_WEBKIT2
12053 thisname = "load-changed";
12054 #else
12055 sigid = _set_signal_handler(thiswindow, window, sigfunc, data, thisfunc, discfunc);
12056 params[0] = GINT_TO_POINTER(sigid);
12057 params[1] = GINT_TO_POINTER(DW_HTML_CHANGE_STARTED);
12058 params[2] = (void *)thiswindow;
12059 cid = g_signal_connect_data(G_OBJECT(thiswindow), "load-started", G_CALLBACK(thisfunc), params, _dw_signal_disconnect, 0);
12060 _set_signal_handler_id(thiswindow, sigid, cid);
12061
12062 params = calloc(sizeof(void *), 3);
12063
12064 sigid = _set_signal_handler(thiswindow, window, sigfunc, data, thisfunc, discfunc);
12065 params[0] = GINT_TO_POINTER(sigid);
12066 params[1] = GINT_TO_POINTER(DW_HTML_CHANGE_LOADING);
12067 params[2] = (void *)thiswindow;
12068 cid = g_signal_connect_data(G_OBJECT(thiswindow), "load-committed", G_CALLBACK(thisfunc), params, _dw_signal_disconnect, 0);
12069 _set_signal_handler_id(thiswindow, sigid, cid);
12070
12071 params = calloc(sizeof(void *), 3);
12072 params[1] = GINT_TO_POINTER(DW_HTML_CHANGE_COMPLETE);
12073
12074 thisname = "load-finished";
12075 #endif
12076 }
12077 else if (WEBKIT_IS_WEB_VIEW(thiswindow) && strcmp(signame, DW_SIGNAL_HTML_RESULT) == 0)
12078 {
12079 /* We don't actually need a signal handler here... just need to assign the handler ID
12080 * Since the handler is created in dw_html_javasript_run()
12081 */
12082 sigid = _set_signal_handler(thiswindow, window, sigfunc, data, _html_result_event, discfunc);
12083 g_object_set_data(G_OBJECT(thiswindow), "_dw_html_result_id", GINT_TO_POINTER(sigid+1));
12084 DW_MUTEX_UNLOCK;
12085 return;
12086 }
12087 #endif
11905 #if 0 12088 #if 0
11906 else if (strcmp(signame, DW_SIGNAL_LOSE_FOCUS) == 0) 12089 else if (strcmp(signame, DW_SIGNAL_LOSE_FOCUS) == 0)
11907 { 12090 {
11908 thisname = "focus-out-event"; 12091 thisname = "focus-out-event";
11909 if(GTK_IS_COMBO_BOX(thiswindow)) 12092 if(GTK_IS_COMBO_BOX(thiswindow))