feat: basic plugin system

The wayland plugin now uses it.
This commit is contained in:
outfoxxed 2024-02-25 23:47:17 -08:00
parent 6c6272e523
commit 3bd587cfcc
Signed by: outfoxxed
GPG key ID: 4C88A185FB89301E
8 changed files with 94 additions and 4 deletions

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@ -31,5 +31,5 @@ find_package(Qt6 REQUIRED COMPONENTS ${QT_FPDEPS})
qt_standard_project_setup(REQUIRES 6.6)
add_subdirectory(src/wayland)
add_subdirectory(src/core)
add_subdirectory(src/wayland)

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@ -1,5 +1,6 @@
qt_add_executable(quickshell
main.cpp
plugin.cpp
shell.cpp
variants.cpp
rootwrapper.cpp
@ -17,5 +18,3 @@ qt_add_executable(quickshell
)
qt_add_qml_module(quickshell URI QuickShell)
target_link_libraries(quickshell PRIVATE ${QT_DEPS} quickshell-waylandplugin)

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@ -8,6 +8,7 @@
#include <qstandardpaths.h>
#include <qstring.h>
#include "plugin.hpp"
#include "rootwrapper.hpp"
int main(int argc, char** argv) {
@ -38,6 +39,8 @@ int main(int argc, char** argv) {
return -1;
}
QuickshellPlugin::initPlugins();
// Base window transparency appears to be additive.
// Use a fully transparent window with a colored rect.
QQuickWindow::setDefaultAlphaBuffer(true);

35
src/core/plugin.cpp Normal file
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@ -0,0 +1,35 @@
#include "plugin.hpp"
#include <algorithm>
#include <qvector.h> // NOLINT (what??)
// defined by moc. see below comment.
void qml_register_types_QuickShell(); // NOLINT
static QVector<QuickshellPlugin*> plugins; // NOLINT
void QuickshellPlugin::registerPlugin(QuickshellPlugin& plugin) { plugins.push_back(&plugin); }
void QuickshellPlugin::initPlugins() {
plugins.erase(
std::remove_if(
plugins.begin(),
plugins.end(),
[](QuickshellPlugin* plugin) { return !plugin->applies(); }
),
plugins.end()
);
for (QuickshellPlugin* plugin: plugins) {
plugin->init();
}
// This seems incredibly stupid but it appears qt will not register the module types
// if types are already defined for the module, meaning qmlRegisterType does not work
// unless the module types are already registered.
qml_register_types_QuickShell();
for (QuickshellPlugin* plugin: plugins) {
plugin->registerTypes();
}
}

29
src/core/plugin.hpp Normal file
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@ -0,0 +1,29 @@
#pragma once
#include <qcontainerfwd.h>
#include <qfunctionpointer.h>
class QuickshellPlugin {
public:
QuickshellPlugin() = default;
virtual ~QuickshellPlugin() = default;
QuickshellPlugin(QuickshellPlugin&&) = delete;
QuickshellPlugin(const QuickshellPlugin&) = delete;
void operator=(QuickshellPlugin&&) = delete;
void operator=(const QuickshellPlugin&) = delete;
virtual bool applies() { return true; }
virtual void init() {}
virtual void registerTypes() {}
static void registerPlugin(QuickshellPlugin& plugin);
static void initPlugins();
};
// NOLINTBEGIN
#define QS_REGISTER_PLUGIN(clazz) \
[[gnu::constructor]] void qsInitPlugin() { \
static clazz plugin; \
QuickshellPlugin::registerPlugin(plugin); \
}
// NOLINTEND

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@ -5,6 +5,11 @@ qt_add_library(quickshell-wayland STATIC
waylandlayershell.cpp
)
# required to make sure the constructor is linked
add_library(quickshell-wayland-init OBJECT init.cpp)
target_link_libraries(quickshell PRIVATE ${QT_DEPS} quickshell-waylandplugin quickshell-wayland-init)
qt_add_qml_module(quickshell-wayland URI QuickShell.Wayland)
find_package(PkgConfig REQUIRED)
@ -13,6 +18,7 @@ pkg_check_modules(wayland REQUIRED IMPORTED_TARGET wayland-client wayland-protoc
find_package(Qt6 REQUIRED COMPONENTS WaylandClient)
target_link_libraries(quickshell-wayland PRIVATE ${QT_DEPS} wayland-client)
target_link_libraries(quickshell-wayland-init PRIVATE ${QT_DEPS} wayland-client)
# wayland protocols

19
src/wayland/init.cpp Normal file
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@ -0,0 +1,19 @@
#include <qguiapplication.h>
#include <qqml.h>
#include "../core/plugin.hpp"
#include "waylandlayershell.hpp"
namespace {
class WaylandPlugin: public QuickshellPlugin {
bool applies() override { return QGuiApplication::platformName() == "wayland"; }
void registerTypes() override {
qmlRegisterType<WaylandPanelInterface>("QuickShell", 1, 0, "PanelWindow");
}
};
QS_REGISTER_PLUGIN(WaylandPlugin);
} // namespace

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@ -87,7 +87,6 @@ private:
class WaylandPanelInterface: public PanelWindowInterface {
Q_OBJECT;
QML_NAMED_ELEMENT(PanelWindow); // temp
public:
explicit WaylandPanelInterface(QObject* parent = nullptr);