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Code Issues Activity Actions

WindowServer: Enable screen capture to span multiple screens

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This enables the shot utility to capture all screens or just one, and
enables the Magnifier application to track the mouse cursor across
multiple screens.
This commit is contained in:
Tom 2021-06-18 21:42:25 -06:00 • committed by Andreas Kling
parent 61af9d882e
commit f232cb8efe
6 changed files with 99 additions and 14 deletions
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9
Userland/Utilities/shot.cpp
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@ -21,10 +21,12 @@ int main(int argc, char** argv)
String output_path;
bool output_to_clipboard = false;
int delay = 0;
int screen = -1;
args_parser.add_positional_argument(output_path, "Output filename", "output", Core::ArgsParser::Required::No);
args_parser.add_option(output_to_clipboard, "Output to clipboard", "clipboard", 'c');
args_parser.add_option(delay, "Seconds to wait before taking a screenshot", "delay", 'd', "seconds");
args_parser.add_option(screen, "The index of the screen (default: -1 for all screens)", "screen", 's', "index");
args_parser.parse(argc, argv);
@ -34,7 +36,12 @@ int main(int argc, char** argv)
auto app = GUI::Application::construct(argc, argv);
sleep(delay);
auto shared_bitmap = GUI::WindowServerConnection::the().get_screen_bitmap({});
Optional<u32> screen_index;
if (screen >= 0)
screen_index = (u32)screen;
dbgln("getting screenshot...");
auto shared_bitmap = GUI::WindowServerConnection::the().get_screen_bitmap({}, screen_index);
dbgln("got screenshot");
auto* bitmap = shared_bitmap.bitmap();
if (!bitmap) {