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[linux] Basic webview working

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This commit is contained in:
Lea Anthony 2021-11-29 08:25:42 +11:00
parent 7eb8e6456e
commit 53481830a9
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GPG Key ID: 33DAF7BB90A58405
2 changed files with 53 additions and 0 deletions
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43
v2/internal/frontend/desktop/linux/frontend.go
View File

@ -7,6 +7,7 @@ package linux
#cgo linux pkg-config: gtk+-3.0 webkit2gtk-4.0
#include "gtk/gtk.h"
#include "webkit2/webkit2.h"
extern void callDispatchedMethod(int id);
@ -31,8 +32,10 @@ import (
"log"
"os"
"strconv"
"strings"
"sync"
"text/template"
"unsafe"
)
type Frontend struct {
@ -101,6 +104,7 @@ func NewFrontend(ctx context.Context, appoptions *options.App, myLogger *logger.
result.assets = assets
go result.startMessageProcessor()
go result.startRequestProcessor()
C.gtk_init(nil, nil)
@ -438,3 +442,42 @@ func callDispatchedMethod(cid C.int) {
println("Error: No dispatch method with id", id, cid)
}
}
var requestBuffer = make(chan unsafe.Pointer, 100)
func (f *Frontend) startRequestProcessor() {
for request := range requestBuffer {
f.processRequest(request)
}
}
//export processURLRequest
func processURLRequest(request unsafe.Pointer) {
requestBuffer <- request
}
func (f *Frontend) processRequest(request unsafe.Pointer) {
req := (*C.WebKitURISchemeRequest)(request)
uri := C.webkit_uri_scheme_request_get_uri(req)
goURI := C.GoString(uri)
// Translate URI
goURI = strings.TrimPrefix(goURI, "wails://")
if !strings.HasPrefix(goURI, "/") {
return
}
// Load file from asset store
content, mimeType, err := f.assets.Load(goURI)
if err != nil {
return
}
cContent := C.CString(string(content))
defer C.free(unsafe.Pointer(cContent))
cMimeType := C.CString(mimeType)
defer C.free(unsafe.Pointer(cMimeType))
var cLen C.long = (C.long)(C.strlen(cContent))
stream := C.g_memory_input_stream_new_from_data(unsafe.Pointer(cContent), cLen, nil)
C.webkit_uri_scheme_request_finish(req, stream, cLen, cMimeType)
}

10
v2/internal/frontend/desktop/linux/window.go
View File

@ -105,9 +105,14 @@ ulong setupInvokeSignal(void* contentManager) {
return g_signal_connect((WebKitUserContentManager*)contentManager, "script-message-received::external", G_CALLBACK(sendMessageToBackend), NULL);
}
extern void processURLRequest(WebKitURISchemeRequest *request);
GtkWidget* setupWebview(void* contentManager, GtkWindow* window) {
GtkWidget* webview = webkit_web_view_new_with_user_content_manager((WebKitUserContentManager*)contentManager);
gtk_container_add(GTK_CONTAINER(window), webview);
WebKitWebContext *context = webkit_web_context_get_default();
webkit_web_context_register_uri_scheme(context, "wails", (WebKitURISchemeRequestCallback)processURLRequest, NULL, NULL);
//g_signal_connect(G_OBJECT(webview), "load-changed", G_CALLBACK(webview_load_changed_cb), NULL);
return webview;
}
@ -117,6 +122,10 @@ void devtoolsEnabled(void* webview, int enabled) {
webkit_settings_set_enable_developer_extras(settings, genabled);
}
void loadIndex(void* webview) {
webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview), "wails:///");
}
*/
import "C"
import (
@ -290,6 +299,7 @@ func (w *Window) UpdateApplicationMenu() {
}
func (w *Window) Run() {
C.loadIndex(w.webview)
C.gtk_widget_show_all(w.asGTKWidget())
w.Center()
switch w.appoptions.WindowStartState {