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[windows] Support transparent webview

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This commit is contained in:
Lea Anthony 2021-06-13 20:47:01 +10:00
parent 7cd6d109d4
commit a269fc9e8c
1 changed files with 60 additions and 9 deletions
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69
v2/internal/ffenestri/ffenestri_windows.cpp
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@ -67,10 +67,10 @@ struct Application *NewApplication(const char *title, int width, int height, int
result->maxHeight = 0;
// Default colour
result->backgroundColour.R = 255;
result->backgroundColour.G = 255;
result->backgroundColour.B = 255;
result->backgroundColour.A = 255;
// result->backgroundColour.R = 255;
// result->backgroundColour.G = 255;
// result->backgroundColour.B = 255;
// result->backgroundColour.A = 255;
// Have a frame by default
result->frame = 1;
@ -368,6 +368,8 @@ void Run(struct Application* app, int argc, char **argv) {
wc.hInstance = hInstance;
wc.lpszClassName = (LPCWSTR)"ffenestri";
wc.lpfnWndProc = WndProc;
// TODO: Make option to disable icon
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(100));
wc.hIconSm = LoadIcon(hInstance, MAKEINTRESOURCE(100));
@ -391,6 +393,7 @@ void Run(struct Application* app, int argc, char **argv) {
hInstance, NULL);
// Private setTitle as we're on the main thread
// TODO: Make sure we check for blank title
setTitle(app, app->title);
// Store application pointer in window handle
@ -402,11 +405,6 @@ void Run(struct Application* app, int argc, char **argv) {
startVisibility = SW_HIDE;
}
// TODO: Make configurable
// COREWEBVIEW2_COLOR wvColor;
// wvColor.A = 255;
// std::weak_ptr<ICoreWebView2Controller2> controller2 = app->webviewController->query<ICoreWebView2Controller2>();
// controller2->put_DefaultBackgroundColor(wvColor);
if( app->windowBackgroundIsTranslucent ) {
enableTranslucentBackground(app);
@ -421,6 +419,59 @@ void Run(struct Application* app, int argc, char **argv) {
// Add webview2
initWebView2(app, 1, initialCallback);
if( app->webviewIsTranparent ) {
wchar_t szBuff[64];
ICoreWebView2Controller2 *wc2;
wc2 = nullptr;
app->webviewController->QueryInterface(IID_ICoreWebView2Controller2, (void**)&wc2);
COREWEBVIEW2_COLOR wvColor;
wvColor.R = 0;
wvColor.G = 0;
wvColor.B = 0;
wvColor.A = 0;
HRESULT result = wc2->put_DefaultBackgroundColor(wvColor);
if (!SUCCEEDED(result))
{
switch (result)
{
case HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND):
{
MessageBox(
app->window,
L"Couldn't find Edge installation. "
"Do you have a version installed that's compatible with this "
"WebView2 SDK version?",
nullptr, MB_OK);
}
break;
case HRESULT_FROM_WIN32(ERROR_FILE_EXISTS):
{
MessageBox(
app->window, L"User data folder cannot be created because a file with the same name already exists.", nullptr, MB_OK);
}
break;
case E_ACCESSDENIED:
{
MessageBox(
app->window, L"Unable to create user data folder, Access Denied.", nullptr, MB_OK);
}
break;
case E_FAIL:
{
MessageBox(
app->window, L"Edge runtime unable to start", nullptr, MB_OK);
}
break;
default:
{
MessageBox(app->window, L"Failed to create WebView2 environment", nullptr, MB_OK);
}
}
}
}
// Main event loop
MSG msg;
BOOL res;