Attachment 370831 Details for Bug 198324 – test-wk2.c

test-wk2.c

test-wk2.c (text/x-csrc), 7.57 KB, created by Milan Crha on 2019-05-28 23:14:12 PDT

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Creator: Milan Crha

Created: 2019-05-28 23:14:12 PDT

Size: 7.57 KB

patch

obsolete

>/* gcc `pkg-config --cflags --libs gtk+-3.0 webkit2gtk-4.0` test-wk2.c -g -O0 -o test-wk2 && ./test-wk2 */
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <gtk/gtk.h>
>#include <webkit2/webkit2.h>
>
>static GTimer *timer = NULL;
>
>static void
>ready_to_show_cb (WebKitWebView *web_view,
>		 gpointer user_data)
>{
>	printf ("%s: after %gs\n", __FUNCTION__, g_timer_elapsed (timer, NULL));
>}
>
>static void
>load_changed_cb (WebKitWebView *web_view,
>		 WebKitLoadEvent load_event,
>		 gpointer user_data)
>{
>	printf ("%s: %s after %gs\n", __FUNCTION__,
>		load_event == WEBKIT_LOAD_STARTED ? "WEBKIT_LOAD_STARTED" :
>		load_event == WEBKIT_LOAD_REDIRECTED ? "WEBKIT_LOAD_REDIRECTED" :
>		load_event == WEBKIT_LOAD_COMMITTED ? "WEBKIT_LOAD_COMMITTED" :
>		load_event == WEBKIT_LOAD_FINISHED ? "WEBKIT_LOAD_FINISHED" : "???",
>		g_timer_elapsed (timer, NULL));
>}
>
>static const gchar *html_content =
>	"<html><body>Text in body "
>	"line1 "
>	"line2 "
>	"line3 "
>	"line4 "
>	"line5 "
>	"line6 "
>	"line7 "
>	"line8 "
>	"line9 "
>	"line10 "
>	"line11 "
>	"line12 "
>	"line13 "
>	"line14 "
>	"line15 "
>	"line16 "
>	"line17 "
>	"line18 "
>	"line19 "
>	"line20 "
>	"line21 "
>	"line22 "
>	"line23 "
>	"line24 "
>	"line25 "
>	"line26 "
>	"line27 "
>	"line28 "
>	"line29 "
>	"line30 "
>	"line31 "
>	"line32 "
>	"line33 "
>	"line34 "
>	"line35 "
>	"line36 "
>	"line37 "
>	"line38 "
>	"line39 "
>	"line40 "
>	"</body></html>";
>
>static gboolean
>fill_web_view_cb (gpointer web_view)
>{
>	webkit_web_view_load_html (web_view, html_content, "file://");
>
>	g_object_unref (web_view);
>
>	return FALSE;
>}
>
>static void
>print_preview_cb (GtkWidget *button,
>		 WebKitWebView *web_view)
>{
>	/*WebKitPrintOperation *prn;
>
>	prn = webkit_print_operation_new (web_view);
>	webkit_print_operation_run_dialog (prn, NULL);
>	g_object_unref (prn);*/
>	//webkit_web_inspector_show (webkit_web_view_get_inspector (web_view));
>
>	webkit_web_view_load_html (web_view, "<html><body>Loading...</body></html>", "file://");
>
>	g_timeout_add_seconds (2, fill_web_view_cb, g_object_ref (web_view));
>}
>
>gboolean
>decide_policy_cb (WebKitWebView *web_view,
>		 WebKitPolicyDecision *decision,
>		 WebKitPolicyDecisionType decision_type,
>		 gpointer user_data)
>{
>	printf ("%s: decision_type:%s\n", __FUNCTION__,
>		decision_type == WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION ? "WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION" :
>		decision_type == WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION ? "WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION" :
>		decision_type == WEBKIT_POLICY_DECISION_TYPE_RESPONSE ? "WEBKIT_POLICY_DECISION_TYPE_RESPONSE" : "??");
>	if (decision_type == WEBKIT_POLICY_DECISION_TYPE_RESPONSE) {
>		WebKitURIRequest *req = webkit_response_policy_decision_get_request (WEBKIT_RESPONSE_POLICY_DECISION (decision));
>		printf ("%s: req:'%s'\n", __FUNCTION__, webkit_uri_request_get_uri (req));
>	} else if (decision_type == WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION) {
>		WebKitNavigationAction *nav = webkit_navigation_policy_decision_get_navigation_action (WEBKIT_NAVIGATION_POLICY_DECISION (decision));
>		WebKitURIRequest *req = webkit_navigation_action_get_request (nav);
>		printf ("%s: req:'%s'\n", __FUNCTION__, webkit_uri_request_get_uri (req));
>	} else {
>		webkit_policy_decision_use (decision);
>	}
>
>	return TRUE;
>}
>
>static void
>get_color_from_context (GtkStyleContext *context,
> const gchar *name,
> GdkRGBA *out_color)
>{
>	GdkColor *color = NULL;
>
>	gtk_style_context_get_style (context, name, &color, NULL);
>
>	#define hx(vl) ((gint) (255 * (vl)))
>
>	if (color == NULL) {
>		gboolean is_visited = strstr (name, "visited") != NULL;
>		GtkStateFlags state;
>
>		out_color->alpha = 1;
>		out_color->red = is_visited ? 1 : 0;
>		out_color->green = 0;
>		out_color->blue = is_visited ? 0 : 1;
>
>		state = gtk_style_context_get_state (context);
>		state = state & (~(GTK_STATE_FLAG_VISITED | GTK_STATE_FLAG_LINK));
>		state = state | (is_visited ? GTK_STATE_FLAG_VISITED : GTK_STATE_FLAG_LINK);
>
>		gtk_style_context_save (context);
>		gtk_style_context_set_state (context, state);
>		gtk_style_context_get_color (context, state, out_color);
>		gtk_style_context_restore (context);
>
>		printf (" %s: no '%s' property, got from style state rgba:%02x%02x%02x%02x\n", __FUNCTION__, name,
>			hx (out_color->red), hx (out_color->green), hx (out_color->blue), hx (out_color->alpha));
>	} else {
>		out_color->alpha = 1;
>		out_color->red = ((gdouble) color->red) / G_MAXUINT16;
>		out_color->green = ((gdouble) color->green) / G_MAXUINT16;
>		out_color->blue = ((gdouble) color->blue) / G_MAXUINT16;
>
>		gdk_color_free (color);
>
>		printf (" %s: has '%s' property, rgba:%02x%02x%02x%02x\n", __FUNCTION__, name,
>			hx (out_color->red), hx (out_color->green), hx (out_color->blue), hx (out_color->alpha));
>	}
>}
>
>static gboolean
>check_style_cb (gpointer user_data)
>{
>	GtkWidget *wk = user_data;
>	GtkStyleContext *style_context;
>	GdkRGBA rgba;
>
>	style_context = gtk_widget_get_style_context (wk);
>
>	get_color_from_context (style_context, "link-color", &rgba);
>	get_color_from_context (style_context, "visited-link-color", &rgba);
>
>	return FALSE;
>}
>
>int main (int argc, char *argv[])
>{
>	GtkWidget *dialog, *container, *wk, *btn;
>	WebKitSettings *settings;
>	WebKitWebContext *context;
>	const gchar *spell_langs[2] = { "fi", NULL };
>
>	gtk_init (&argc, &argv);
>
>	//g_setenv ("WEBKIT_DISABLE_COMPOSITING_MODE", "1", FALSE);
>
>	dialog = gtk_dialog_new_with_buttons ("test-wk2", NULL, 0, "_Cancel", GTK_RESPONSE_CANCEL, NULL);
>	gtk_window_set_default_size (GTK_WINDOW (dialog), 320, 400);
>
>	container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
>
>	btn = gtk_button_new_with_mnemonic ("_Reload");
>	gtk_container_add (GTK_CONTAINER (container), btn);
>
>	settings = webkit_settings_new_with_settings (
>		"auto-load-images", FALSE,
>		"default-charset", "utf-8",
>		"enable-html5-database", FALSE,
>		"enable-dns-prefetching", FALSE,
>		"enable-html5-local-storage", FALSE,
>		"enable-java", FALSE,
>		"enable-javascript", TRUE,
>		"enable-offline-web-application-cache", FALSE,
>		"enable-page-cache", FALSE,
>		"enable-plugins", FALSE,
>		"enable-smooth-scrolling", FALSE,
>		"media-playback-allows-inline", FALSE,
>		NULL);
>	webkit_settings_set_enable_developer_extras (settings, TRUE);
>	webkit_settings_set_enable_frame_flattening (settings, TRUE);
>
>	wk = webkit_web_view_new_with_settings (settings);
>
>	webkit_web_view_set_editable (WEBKIT_WEB_VIEW (wk), TRUE);
>
>	g_signal_connect (wk, "decide-policy", G_CALLBACK (decide_policy_cb), NULL);
>
>	g_signal_connect (btn, "clicked", G_CALLBACK (print_preview_cb), wk);
>
>	context = webkit_web_view_get_context (WEBKIT_WEB_VIEW (wk));
>	webkit_web_context_set_spell_checking_enabled (context, TRUE);
>
>	if (argc == 2)
>		spell_langs[0] = argv[1];
>
>	webkit_web_context_set_spell_checking_languages (context, (const gchar * const *) spell_langs);
>
>	gtk_container_add (GTK_CONTAINER (container), wk);
>	g_object_set (G_OBJECT (wk),
>		"hexpand", TRUE,
>		"halign", GTK_ALIGN_FILL,
>		"vexpand", TRUE,
>		"valign", GTK_ALIGN_FILL,
>		"height-request", 90,
>		"width-request", 90,
>		NULL);
>
>	timer = g_timer_new ();
>	g_signal_connect (wk, "ready-to-show", G_CALLBACK (ready_to_show_cb), NULL);
>	g_signal_connect (wk, "load-changed", G_CALLBACK (load_changed_cb), NULL);
>	webkit_web_view_load_html (WEBKIT_WEB_VIEW (wk), html_content, "file://");
>
>	gtk_widget_show_all (gtk_dialog_get_content_area (GTK_DIALOG (dialog)));
>	//gtk_widget_hide (btn);
>
>	g_idle_add (check_style_cb, wk);
>	g_signal_connect (wk, "style-updated", G_CALLBACK (check_style_cb), NULL);
>	gtk_dialog_run (GTK_DIALOG (dialog));
>
>	gtk_widget_destroy (dialog);
>	g_timer_destroy (timer);
>
>	return 0;
>}

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Attachments on bug 198324: 370831