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Add the base for GUI handling

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Still need to embed the opened window into the window provided by the
host.
This commit is contained in:
Robbert van der Helm
2020-03-17 01:50:50 +01:00
parent 44a953c2d2
commit e7e1b26455
6 changed files with 91 additions and 27 deletions
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src/common/serialization.h
+28 -20
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@@ -164,6 +164,12 @@ struct WantsVstTimeInfo {};
*/
struct WantsString {};
/**
* The event handler (the Wine VST host) should create a Winn32 window, pass
* that to the plugin, and return an X11 window handle.
*/
struct WantsWindowHandle {};
/**
* VST events are passed a void pointer that can contain a variety of different
* data types depending on the event's opcode. This is typically either:
@@ -197,27 +203,27 @@ using EventPayload = std::variant<std::nullptr_t,
DynamicVstEvents,
WantsChunkBuffer,
WantsVstTimeInfo,
WantsString>;
WantsString,
WantsWindowHandle>;
template <typename S>
void serialize(S& s, EventPayload& payload) {
s.ext(payload, bitsery::ext::StdVariant{
[](S&, std::nullptr_t&) {},
[](S& s, std::string& string) {
// `binary_buffer_size` and not `max_string_length`
// because we also use this to send back large chunk
// data
s.text1b(string, binary_buffer_size);
},
[](S& s, AEffect& effect) { s.object(effect); },
[](S& s, DynamicVstEvents& events) {
s.container(events.events, max_midi_events,
[](S& s, VstEvent& event) {
s.container1b(event.dump);
});
},
[](S&, WantsChunkBuffer&) {},
[](S&, WantsVstTimeInfo&) {}, [](S&, WantsString&) {}});
s.ext(payload,
bitsery::ext::StdVariant{
[](S&, std::nullptr_t&) {},
[](S& s, std::string& string) {
// `binary_buffer_size` and not `max_string_length` because we
// also use this to send back large chunk data
s.text1b(string, binary_buffer_size);
},
[](S& s, AEffect& effect) { s.object(effect); },
[](S& s, DynamicVstEvents& events) {
s.container(
events.events, max_midi_events,
[](S& s, VstEvent& event) { s.container1b(event.dump); });
},
[](S&, WantsChunkBuffer&) {}, [](S&, WantsVstTimeInfo&) {},
[](S&, WantsString&) {}, [](S&, WantsWindowHandle&) {}});
}
/**
@@ -270,9 +276,10 @@ struct Event {
* instenad.
* - A specific struct in response to an event such as `audioMasterGetTime` or
* `audioMasterIOChanged`.
* - An X11 window pointer for the editor window.
*/
using EventResposnePayload =
std::variant<std::monostate, std::string, AEffect, VstTimeInfo>;
std::variant<std::monostate, std::string, AEffect, VstTimeInfo, intptr_t>;
template <typename S>
void serialize(S& s, EventResposnePayload& payload) {
@@ -286,7 +293,8 @@ void serialize(S& s, EventResposnePayload& payload) {
s.text1b(string, binary_buffer_size);
},
[](S& s, AEffect& effect) { s.object(effect); },
[](S& s, VstTimeInfo& time_info) { s.object(time_info); }});
[](S& s, VstTimeInfo& time_info) { s.object(time_info); },
[](S& s, intptr_t& v) { s.value8b(v); }});
}
/**